function that has the same domain as y=2√x

Answers

Answer 1

The rest of the question;
A.y= [tex] \sqrt{2x} [/tex]
B.y=[tex] \sqrt[3]{ x^{2} } [/tex]
C.y=[tex] \sqrt{x-2} [/tex]
D.y=[tex] \sqrt[3]{x-2} [/tex]
====================================================

We are given the function
y = 2 √x

The domain for the given function is this
{ x | x ≥ 0 }

The answer is A. y = √2x

In general any function that has a domain of x that is equal to or greater than 0. Some examples:
f(x) = √x - 2
f(x) = 5 √x

Answer 2

Answer:

The answer is A. y = √2x

Step-by-step explanation:

Related Questions

The sales of lawn mowers t years after a particular model is introduced is given by the function y = 5500 In(9t+4), where y is the number of lawn mowers sold. How many mowers will be sold 4.5 years after a model is introduced? Round your answer to the nearest whole number. Show your work to find the number of mowers for credit.

Answers

20875.2 All you have to do is plug in the numbers to the equation.

Consider the graphs f(x) = log10x and g(x) = a · log10x.
What happens to the graph of g(x) = a · log10x if a is –7? Check all that apply.
a.The graph is stretched vertically.
b.The graph will shift a units to the right.
c.The graph is compressed.
d.The graph is reflected across the x-axis.
e.The graph will shift a units to the left.

Answers

g(x) = a log10(x) = a f(x), meaning that whatever the value of f(x), it will be multiplied by -7. This means that the graph will be reflected across the x-axis (since the values will change sign). Also, multiplying by a factor of 7 stretches the graph vertically.

Therefore, the correct answers are a and d.

In a class of 147 students, 95 are taking math(m), 75 are taking science (s), 52 are taking both math and science. What is the probability of randomly choosing a student who is taking neither math nor science? Round your answer to the nearest tenth

Answers

Subtract 52 from m, s, and the total amount of students.. 52 is the amount of students that would take both math and science. m now equals 43, s now equals 23, and the total students remaining is 95.

Since the criteria wants you to exclude students that take math or science, add m and s together.

[tex]43 + 23 = 66[/tex]

This is the total amount of students that take math or science.

To find the probability of picking a student that doesn't take math or science, subtract 66 from the total amount of students.

[tex]95 - 66 = 29[/tex]

Take this amount and divide by the total amount of students again.

[tex] \frac{29}{95} = 0.3052[/tex]

Convert the decimal into a percentage.

[tex]0.3052 = 30.52[/tex] %

There is a 30.52% chance of picking a student that doesn't take math nor science.

Answer:

31/147

Step-by-step explanation:

good luck babes <3

5y^2 - 2y - 7 are (5y - 7) and ( )

Answers

You have the following expression given in the problem above, which is a quadratic equation:

5y^2 - 2y - 7=0

When you factor the quadratic equation, you obtain the following form of it:
(5y - 7)(y +1)=0

Therefore, as you can see the answer is: (5y - 7)(y +1)=0

Chris Shopper received a $1,000 discount loan to purchase a washer and dryer. The loan was offered at 12% for 120 days. What are the proceeds? $40.00 $144.00 $960.00 $1,440.00

Answers

The loan proceeds will be given as follows:
A=P(1+r/100)^n
Plugging the values we obtain
n=4 months=
A=1000(1+12/3*100)^1
A=$1040
hence the proceeds will be:
1040-1000=$40

Answer:

The correct answer is 960.

Step-by-step explanation:

120/360=0.333

Remember to use 360 because a bank year is 360 days.

Then you use the interest formula:

I= P×R×T

I=1000×0.12×0.333

39.99=I

Now take 1000 because your principal is 1000, and subtract that from 1000

1000-39.99=960

Find the value of x.
Pls help

Answers

58 because it’s the same as the other one

Hey there! :D

Something important to remember, vertical angles that share the same vertex have the same measure, and are congruent.

So, if that one angle is 58, x would also equal 58.

58 is the answer.

I hope this helps!
~kaikers

Which of the following are examples of exponential decay?

Answers

Decay means decreasing,
the rate is going to be less than 1, and it is going to continue,
it should look for example like
x*1/2*1/2*....
The answers should be B,C,D.

Answer: B,C,D

Step-by-step explanation:

you have a bottle of water with a leak. after 2 second,there are 28 ounces left in the bottle. after 6 seconds, there are 20 ounces left in the bottle. how fast is the bottle losing water

Answers

In the 6 - 2 = 4 seconds for which we have a report, the bottle lost 28 -20 = 8 ounces.

The bottle is losing water at the rate of (8 oz)/(4 s) = 2 oz/s.

Answer:

rate of losing water = 8 ounce per 4 sec or 2 ounces per sec.

Step-by-step explanation:

Given : after 2 second,there are 28 ounces left in the bottle. after 6 seconds, there are 20 ounces left in the bottle.

To find : how fast is the bottle losing water.

Solution : WE have given that

After 2 second water left in bottle = 28 ounces.

After 6 second water left in bottle = 20 ounces.

We can see with in ( 6 - 2) ,4 second bottle lose their 8 ounce water.

Therefore, rate of losing water = 8 ounce per 4 sec or 2 ounces per sec.

SOMEONE PLEASE HELP ASAP

Answers

Try this solution:
0.2; 0.2*(-0.3); 0.2*(-0.3)*(-0.3); 0.2*(-0.3)*(-0.3)*(-0.3);... etc.
if the first term of this sequence is n=1, then only 'C' is the right answer:
[tex]a_n=0.2*(-0.3)^{n-1}.[/tex]

The explicit formula for a Geometric Series can be written as:

[tex] a_{n}= a_{1}(r)^{n-1} [/tex]

Here, [tex]a_{1}= [/tex]First Term = 0.2

r = Common Ratio = - 0.06/0.2 = -0.3

Using these value in above formula, we can write the explicit formula of the sequence as:[tex]a_{n}=0.2(-0.3)^{n-1} [/tex]

So, option C gives the correct answer

At one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test. assuming these vehicles were representative of the cars and trucks in that area, what is the standard error of the difference in the percentages of all cars and trucks that are not in compliance with air quality regulations?

Answers

The standard error (SE) of the sampling distribution difference between two proportions is given by:

[tex]SE=\sqrt{p(1-p)\left(\frac{1}{n_1}+\frac{1}{n_2}\right)}[/tex]

where p is the pooled sample proportion, [tex]n_1[/tex] is the size of sample 1, and [tex]n_2[/tex] is the size of sample 2.

[tex]p= \frac{p_1n_1+p_2n_2}{n_1+n_2} [/tex]

Given that at one vehicle inspection station, 13 of 52 trucks and 11 of 88 cars failed the emissions test.

[tex]p_1= \frac{13}{52} =0.25 \\ \\ p_2= \frac{11}{88} =0.125 \\ \\ n_1=52 \\ \\ n_2=88 \\ \\ p= \frac{0.25(52)+0.125(88)}{52+88} \\ \\ = \frac{13+11}{140} = \frac{24}{140} =0.1714[/tex]

[tex]SE=\sqrt{0.1714(1-0.1714)\left(\frac{1}{52}+\frac{1}{88}\right)} \\ \\ = \sqrt{0.1714(0.8286)(0.0192+0.0114)} \\ \\ = \sqrt{0.1714(0.8386)(0.0306)} = \sqrt{0.0044} \\ \\ =0.0663[/tex]

The two given proportions are
[tex]p_1=\frac{13}{52}=0.25[/tex] and [tex]p_2=\frac{11}{88}=0.125[tex].

The standard error is given by the formula
[tex]SE=\sqrt{\frac{p_1\left(1-p_1\right)}{n_1}+\frac{p_2\left(1-p_2\right)}{n_2}}[/tex]

Substituting the given values, we have
[tex]SE=\sqrt{\frac{0.25\left(1-0.25\right)}{52}+\frac{0.125\left(1-0.125\right)}{88}=0.0696}[/tex]

Therefore, the standard error is 0.0696.

plz help ill give u brainlist

Answers

Okay, so the ratio from yellow balls to white balls:
2:3
Let's represent it with n
5n = 50
n = 10
3 * 10 is 30
There are 30 white golf balls.

Brady has collected the following data. 11, 15, 15, h, 11. If the range of Brady's data is 9, what is the value of h?

Answers

To solve this question, let's start by understanding what the range of a data set means. The range is the difference between the highest value and the lowest value in the set.

Given that the range of Brady's data is 9, and we have the following data points: 11, 15, 15, h, 11, we can use this information to determine the value of h.

1. Identify the smallest value in the data set (without considering h for now). The smallest value given is 11.

2. Identify the largest value in the data set (without considering h for now). The largest value given is 15.

3. Since the range of the data is 9, we can calculate what the new highest and lowest value could be if h were to be the extremum.

If h were the largest value, then:
h - smallest value = 9
h - 11 = 9
h = 9 + 11
h = 20

If h were the smallest value, then:
largest value - h = 9
15 - h = 9
h = 15 - 9
h = 6

4. Now that we have two potential values for h (20 if it’s the maximum, and 6 if it’s the minimum), we have to decide which value is correct. Remember that the range is the difference between the largest and smallest values, so whichever potential value of h does not coincide with a number already in the data set is likely the correct value.

Since the current largest value in the data set without h is 15, and the current smallest value is 11, using h = 20 would yield a new range greater than 9 (20-11 = 9), and using h = 6 would also yield a range greater than 9 (15-6 = 9). But we are only looking for an existing range of 9. Thus, we must consider whether 20 or 6 would form a range of exactly 9 with the current set of numbers.

- If h = 20, it would become the new largest number and the range would be simply h - smallest value, which is 20 - 11 = 9, which is correct.
- If h = 6, it would become the new smallest number and the range would be largest value - h, which would be 15 - 6 = 9, which is also correct.

In this case, both h = 20 and h = 6 satisfy the condition for the range to be 9. However, we should look at the data set to see which data point (h) is not already present because the range should be the difference of two distinct (unique) data points.

In examining the given data set, we see that we already have a smallest value of 11 and a largest value of 15.

To maintain the range of 9 with the given data (without h), h could take on either the value which provides a max-min of 9 and is not already in the data set. In this scenario, both potential values 6 and 20 meet the criteria, since neither is present in the original data set.

Therefore, Brady’s h can be either 6 or 20 and still satisfy the given conditions.

Sometimes one form is more beneficial than the other. Identify which form would be more helpful if you needed to do each task listed below and explain why. a. Factor the equation. b. Graph the parabola. c. Identify the vertex, minimum, or maximum of the parabola. d. Solve the equation using the quadratic formula.

Answers

The surest way to get many of the points needed to plot a quadratic is to use the quadratic formula. This will give the roots (real or imaginary). It will give you the completed square form also called the vertex form (if you know how to use the discriminant). It can easily give you the y intercept (which you can find before you use the quadratic formula). It gives the max or min upon solution.

The easiest one to use if it is available to you, is factoring. The quadratic may not be factorable. But if it is and you can see it, then this gives you 2 points immediately (the roots) and a third without much trouble (the y intercept). Factoring will also give you the x value of the vertex. (Find the average between the 2 roots)

This needs an example
Suppose you have y = (x - 5)(x - 9) The roots are 5 and 9, correct? So the x value of the vertex is (5 + 9)/2 = 7 It always works.

Completing the square always gives you the minimum or maximum right away. For example if you have y = (x - 2)^2 - 5 it means you have the vertex at (2,-5) You can get the roots easily enough. So this form is useful, but not as sure as the quadratic equation or as simple as factoring.

Graphing is the most certain way to check your answer. I find it the most useful thing to do with modern computers. There are all sorts of things that a graph will reveal that algebra by itself might be laborious and prone to leading you to mistakes. Graphing tends to correct that problem.

PLZ HELP NOOOWWWW!!!! 15 points!

A sewing pattern calls for 1/2 meter of red ribbon and 1/5 meter of blue ribbon. What is the unit rate in meters of red ribbon per meter of blue ribbon?

Answers

Hello!

First you have to find how many sections of blue ribbon makes 1 meter

1/5 * 5 = 1

It takes 5 sections of blue ribbon to make one meter of blue ribbon

Multiply this by the sections of red ribbon

1/2 * 5 = 2.5

The answer is 2.5 meters of red ribbon for every meter of blue ribbon

Hope this helps!

Hello!

The unit rate would be 2.5.

Because you take the 2 out of 1/2 and get the unit rate.

Hope this helped. :)

The hyperbola with center at (4, 5), with vertices at (0, 5) and (8, 5), with b = 2.

Answers

The standard form of hyperbola is:
(x-h)²/a²-(y-k)²/b²=1
center:(4,5)
Length of the horizontal transverse axis: 8-5=3=2a
thus
a=3/2
a²=9/4
b=2
b²=4

Hence the equation will be:
(x-4)²/(9/4)-(y-5)²/4=1
simplifying this we get:
[4(x-4)²]/9-(y-5)²/4=1

Answer:

Step-by-step explanation:

The correct answer is (x-4)^2/16 - (y-5)^2/4 = 1

300 minutes equals how many hours

Answers

300 minutes equals five hours.

We know that there are 60 minutes in an hour. To find the total number of hours, we can divide the total minutes by 60 minutes.

300 minutes / 60 minutes = 5 hours

when Derek planted a tree it was 36 inches tall the tree grew one and one fourth inches per year the tree is now forty four and three fourths how many years ago did Derek plant the tree

Answers

Answer:

Step-by-step explanation:

Figure out all the fractions in decimal form

44 3/4= 44.75

1 1/4= 1.25

Subtract:

44.75- 36= 8.75

Divide:

8.75/1.25= 7

The answer therefore is 7!

Hope this helps!!!

If a circle has a circumference of 10 pi inches, then what is the area of the same circle in square inches?

Answers

Final answer:

To find the area of the circle, use the formula A = πr² and solve for the radius with the equation C = 2πr. Then, substitute the radius value into the area formula to find the area.

Explanation:

In order to find the area of the circle, we need to use the formula A = πr², where A is the area and r is the radius of the circle. In this case, we are given that the circumference of the circle is 10π inches.

We know that the formula for circumference of a circle is C = 2πr, where C is the circumference and r is the radius. We can set up an equation to solve for the radius:

10π = 2πrr = 10/2r = 5 inches

Now that we know the radius is 5 inches, we can use the formula A = πr² to find the area:

A = π(5)²A = 25π square inches

So, the area of the circle is 25π square inches.

The area of the circle is [tex]$ 25\pi $[/tex] square inches.

To find the area of the circle, we first need to determine the radius of the circle. The circumference [tex]C[/tex] of a circle is given by the formula [tex]$ C = 2\pi r $,[/tex] where [tex]r[/tex] is the radius. Given that the circumference is [tex]$ 10\pi $[/tex] inches, we can solve for the radius:

[tex]\[ 10\pi = 2\pi r \][/tex]

[tex]\[ r = \frac{10\pi}{2\pi} \][/tex]

[tex]\[ r = 5 \][/tex]

Now that we have the radius, we can find the area [tex]$ A $[/tex] of the circle using the formula [tex]$ A = \pi r^2 $:[/tex]

[tex]\[ A = \pi (5)^2 \][/tex]

[tex]\[ A = 25\pi \][/tex]

Therefore, the area of the circle is [tex]$ 25\pi $[/tex] square inches.

GETS BRAINLIEST AND 50 PTS!

The seventh-grade class is building target areas for a PE activity. The bases for the game will be in a circular shape. The diameter of each circle is 3 feet. Approximately, how many square feet of the turf needs to be painted for a base circle? Use 3.14 for π and round your answer to the nearest tenth. 7.1 square feet 9.4 square feet 18.8 square feet 28.3 square feet

Answers

If the diameter is 3 feet, then the radius is 1.5 feet. Area of a circle = pi * radius squared or [tex]A = \pi r^{2} [/tex]

A = pi * (1.5)²
A = pi * 2.25
A = 3.14 * 2.25
A = 7.065 ≈ 7.1

7.1 feet² is your answer.

You are solving for the area of circular shape.

Let area = A
Let π= 3.14
Let radius = 1.5

The formula is as followed, you fill in the blanks:

[tex]A= \pi r^2 \\ (Area = 3.14 * radius^2 [/tex]

The answer exact answer is 7.07, but if you were to round it, because you want an approximate answer it would be 7.1 square feet.

Your answer from your choices given is bolded, and the work is in the picture:

- 7.1 square feet
- 9.4 square feet
- 18.8 square feet
- 28.3 square feet

Author's Note:

Please help me rank up to Virtuoso!!!
All I need is the following:
•Points: 0
•Brainliest Answers: 3

Steve puts only dimes and quarters into his piggy bank. Right now he has five more dimes than quarters there, and they make exactly $74! How many quarters and how many dimes are there in Steve’s piggy bank?

Answers

x - quarters, x+5 - dimes.
$74=7400 cents
Then
(25x+10(x+5))=(25x+10x+50)=(35x+50) cents.

35x+50=7400
35x=7400-50
35x=7350
x=7350/35
x=210 quarters

x+5=210+5=215 dimes

210 quarters and 215 dimes

Answer:

215 dimes and 210 quarters

Step-by-step explanation:

Quarters are x

dimes are x+5

.25x+.10(x+5)=74

.25x+.10x+.5=74

.35x=73.5

x=210 quarters or $52.50

x+5=215 dimes or $21.50

Add to $74.

hello can you please help me posted picture of question

Answers

Total number of players = 9
Number of players to be selected = 2

We can find the number of ways of selecting the player using permutations.
Ways to select 2 players from 9 = 9P2

[tex]= \frac{9!}{7!} \\ \\ =9*8 \\ \\ =72 [/tex]

Thus, the answer is option C

Anwar says that the shape below is a parallelogram. is he correct that a kite is a parallelogram explain

Answers

Short answer: No afraid not.

Opposite sides of a parallelogram must be equal and parallel. The opposite sides of a kit are neither. To make sure you understand, measure the upper left side and the lower right side. The upper left is shorter than the lower right (even though these sides are opposite one another).

It you extend the upper left line upward and do the same thing to the lower right, you will get two lines that meet. No parallelogram will do that.

Decide whether to reject h 0 for the level of significance ΅ . right - tailed test z = 1.43 ΅ = 0.05 22) the p - value for a hypothesis test is p = 0.006. do you reject or fail to reject h 0 when the level of significance is ΅ = 0.01? 23) find the p - value for the hypothesis test with the standardized test statistic z. decide whether to reject

Answers

We reject since the level of significance is ΅ = 0.01? 23). The p - value for the hypothesis test with the standardized test statistic z.

Final answer:

To decide whether to reject H0 for the level of significance ΅ in a right-tailed test, we compare the p-value to the level of significance. In this case, the p-value for the hypothesis test is 0.006 and the level of significance is 0.01. Since the p-value (0.006) is less than the level of significance (0.01), we reject H0.

Explanation:

For the second question, the p-value is not provided, so we cannot make a decision based on the information given.

Which of these is a point-slope equation of the line that is perpendicular to y-25=2(x-10) and passes through (-3,7)

Answers

y = 2x +13

We know the slope to be 2 because lines that are parallel have the same slope. Then we can solve using slope-intercept form and the known point.

y = mx + b ----> Input known values
7 = (2)(-3) + b ---> Multiple
7 = -6 + b ----> Subtract 3 from both sides
13 = b

Now we can use the y-intercept found and the slope to write the equation above.

Answer: y - 7= -1/2 (x+3)

Step-by-step explanation:

You earn $20.00 per hour at your job. If you get a 10% raise at the end of each year, what will your hourly rate, h, be after 8 years? Use the equation h=C(l+r)^t, where C is the beginning hourly rate, r is the growth rate, and t is time in years. A. $36.00 B. $22.00 C. $47.27 D. $42.87

Answers

The answer is D. $42.87

For what values of m does the graph of y = mx2 – 5x – 2 have no x-intercepts?

Answers

The answer is B: m< -25/8

Answer: The graph of y=mx^2-5x-2 have no x-intercepts for m<-25/8

Solution:

y=mx^2-5x-2

To find x-intercepts we must equal y to zero:

y=0→mx^2-5x-2=0

This is a quadratic equation, and we can solve it using the quadratic formula:

ax^2+bx+c=0; a=m, b=-5, c=-2

x=[-b +- sqrt( b^2-4ac) ] / (2a)

x=[-(-5) +- sqrt( (-5)^2-4(m)(-2) ) ] / (2(m))

x=[5 +- sqrt(25+8m)] / (2m)

This equation doesn't have solution (no x-intercepts) if:

25+8m<0

This is an inequality. Solving for m: Subtracting 25 both sides of the inequality:

25+8m-25<0-25

8m<-25

Dividing both sides of the inequality by 8:

(8m) / 8 < (-25) / 8

m<-25/8

Answer: The graph of y=mx^2-5x-2 heve no x-intercepts for m<-25/8

Rachel says that Graph R has a greater constant of variation that Graph S. Which statement explains whether Rachel is correct?

Answers

For this case we have that by definition the constant of variation of a line is given by the slope m, of said line.

Where:

[tex]m = \frac {(y_ {2} -y_ {1})} {(x_ {2} -x_ {1})}[/tex]

To find the slope of a line it is necessary to find two points through which the line passes.

To solve the given problem, we find the slopes of the lines shown in the graphics R and S:

Graphic R:

It is observed that the line passes through the following points:

[tex](x_ {1}, y_ {1}) = (0,0)\\(x_ {2}, y_ {2}) = (2,1)[/tex]

Substituting in the formula of the slope we have:

[tex]m_ {R} = \frac {(y_ {2} -y_ {1})} {(x_ {2} -x_ {1})}[/tex]

[tex]m_ {R} = \frac {1-0} {2-0}[/tex]

[tex]m_ {R} = \frac {1} {2}[/tex]

Thus, the slope of the line of the graph R is given by: [tex]m_ {R} = \frac {1} {2}[/tex]

Graphic S:

It is observed that the line passes through the following points:

[tex](x_ {1}, y_ {1}) = (0,0)\\(x_ {2}, y_ {2}) = (1,2)[/tex]

Substituting in the formula of the slope we have:

[tex]m_ {S} = \frac {(y_ {2} -y_ {1})} {(x_ {2} -x_ {1})}[/tex]

[tex]m_ {S} = \frac {2-0} {1-0}[/tex]

[tex]m_ {S} = \frac {2} {1}[/tex]

[tex]m_ {S} = 2[/tex]

Thus, the slope of the line of the graph R is given by: [tex]m_ {S} = 2[/tex]

[tex]m_ {S}> m_ {R}[/tex]

then, the graph S has a variation constant greater than the graph R.

Answer:

The graph S has a variation constant greater than the graph R.

Rachel's idea is wrong

Answer:

It’s D

Step-by-step explanation:

The pyramid shown has a square base that is 14 centimeters on each side. The slant height is 15 centimeters. What is the surface area of the pyramid?

Answers

we know that

surface area=area of the base+4*[area of one lateral triangle side]

area of the base=b²
b is the side length of the square
b=14 cm
area of the base=14²-----> 196 cm²

area of one lateral triangle side=b*h/2
b is the side length of the square
b=14 cm
h is the height of the lateral triangle side
h is equal to the slant height
h=15 cm

area of one lateral triangle side=14*15/2----> 105 cm²

surface area=196+4*[105]------> 616 cm²

the answer is
the surface area is 616 cm²

Given the following functions f(x) and g(x), solve (f ⋅ g)(2) and select the correct answer below: (1 point)

f(x) = 2x2 − 10

g(x) = x + 9

−22

22

−66

66

Answers

For this case we have the following functions:
f (x) = 2x2 - 10
g (x) = x + 9
Evaluating both functions for x = 2 we have:
f (2) = 2 (2) ^ 2 - 10 = 8 - 10 = -2
g (2) = (2) + 9 = 2 + 9 = 11
Then, multiplying both functions we have:
(f ⋅ g) (2) = (-2) (11)
(f ⋅ g) (2) = -22
Answer:
the correct answer below is:
-22

Answer:

-22

Step-by-step explanation:

Give other person brainliest

What is the mode of the following numbers? 8,10,10,10,6,7,8

Answers

The mode is the number that appears most frequently in a data set.

In the data set shown here, 10 appears more time than any other number which means that 10 is the mode.

Therefore, the mode of the data set shown here is 10.

Other Questions

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