if f(x)= 2x^2+5sqrt(x-2), complete the following statement: The domain for f(x) is all real numbers _____ than or equal to 2. (fill in the blank)

Answers

Answer 1

Answer:

Greater.

Step-by-step explanation:

The in the function  [tex]f(x)=2x^2+5\sqrt{x-2}[/tex], the square root term [tex]\sqrt{x-2}[/tex] has to give a real number if [tex]f(x)[/tex] is to be real. This can only happen if [tex]x\geq 2[/tex] because if [tex]x<2[/tex] then [tex]\sqrt{x-2}[/tex] will give a complex number and therefore [tex]f(x)[/tex] will not be real.

Thus, the domain for f(x) is all real numbers greater than or equal to 2.

If F(x)= 2x^2+5sqrt(x-2), Complete The Following Statement: The Domain For F(x) Is All Real Numbers _____
Answer 2

The domain for f(x) is all real numbers greater than or equal to 2.

This is because the square root function is undefined when its argument is less than or equal to 0. So, the expression 5sqrt(x-2) is defined only when x-2 is greater than or equal to 0. This means that x must be greater than or equal to 2.

The domain of f(x) is all real numbers x such that x ≥ 2.

Here is a table that shows the values of f(x) for different values of x:

x | f(x)

2 | 20

3 | 29

4 | 42

5 | 57

6 | 74

As you can see, the values of f(x) are defined for all real numbers x such that x ≥ 2.

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Related Questions

Need answers please:)

Answers

9a^3b^4 I think

Not sure...

Alice burned 320 calories at the gym. She burned 6 calories per minute on the treadmill and 10 calories per minute on the elliptical. Alice exercised for 45 minutes in all. How many minutes did she spend on the treadmill?

Answers

she worked out for 32  mins

Answer:

The rate of change is obviously that term that describe the change over a certain period. In this problem, we are given with the condition that LaToya is able to burn 20 calories per minute. Therefore, the rate of change is 20 calories per minute.  

Step-by-step explanation:

Which is the ratio for sin A, written as a fraction in simplest form?

Answers

When you have a right triangle (A triangle which has a angle of 90°), you can find the "Sine". This is one of the basi trigonometric ratios. By definition, the Sine is:

 Sin(α)=Opposite leg/Hypotenuse
 
 You want to find Sin(A), so the opposite leg will be 8√3 and the hypotenuse will be 16. 

 When you substitue these values, you have:

 Sin(α)=Opposite leg/Hypotenuse
 Sin(A)=8√3/16

 When you simplify, you obtain:

 Sin(A)=4√3/8
 Sin(A)=2√3/4
 Sin(A)=√3/2

 Which is the ratio for Sin(A)? 

 The answer is: The ratio for Sin(A) is √3/2
 

 

Answer:

√3/2

Step-by-step explanation:

A bag contains 30 cookies: 6 vanilla, 12 chocolate, and 12 oatmeal. What is the probability that an oatmeal is randomly selected?
A) 1/4

B) 1/5

C) 1/6

D) 2/5

Answers

Option: (D). The Probability that an oatmeal is randomly selected is 2/5.

What is Probability?

Probability is Possibility. Probability deals with" an occurrence of an Random event. It values varies from 0 to 1".

According to the question,

Number of vanilla = 6

Number of chocolate = 12

Number of Oatmeal = 12

Formula for Probability of an event to occur P(E) = [tex]\frac{Number of favourable event}{Total Number of an event}[/tex]T.

Total number of an Outcomes = 30

P(E) = [tex]\frac{12}{30}[/tex]

=[tex]\frac{2}{5}[/tex]

Hence, The Probability that an oatmeal is randomly selected is 2/5.

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The probability of selecting an oatmeal cookie from a bag of 30 cookies (6 vanilla, 12 chocolate, and 12 oatmeal) is 2/5, which is answer choice D.

The student's question involves calculating the probability of selecting an oatmeal cookie from a bag containing multiple types of cookies. The total number of cookies is 30, comprising 6 vanilla, 12 chocolate, and 12 oatmeal cookies. To find the probability of selecting an oatmeal cookie, we use the formula:

Probability (selecting an oatmeal cookie) = Number of oatmeal cookies / Total number of cookies.

This gives us:

Probability (selecting an oatmeal cookie) = 12 / 30 = 2 / 5

So, the probability that an oatmeal cookie is randomly selected is 2/5, which corresponds to answer choice D.

What does X represent in this story;

• Diego has 24 ounces of juice. He pours equal amounts for each of his three friends, and then add six more ounces for each.

The equation is
3(x + 6)= 24

X= 2

I need to know what X represents.

Answers

Here the total amount of the juice is 24 ounces. Diego poured equal amounts to his three friends. But that equal amount is unknown. Then he add 6 to each that is represented by x +6. Hence, the x is the initial amount poured to each three friends.

What is polynomial expression ?

A polynomial expression is composed of some coefficients and indeterminants that involves basic basic arithmetic operations. Where the indeterminants or unknowns are basically represented by the letters x or y.

Here, Diego has 24 ounces of juice. He pours equal amounts of juice to his three friends. The mount he poured to each friends is unknown here. Hence, let it be x.

Then, he added 6 more ounces to each these x quantity that is represented by x + 6. Now, 3 friends have this x + 6 ounces of juice then total equals 24.

i.e, 3 (x + 6) = 24

3x +18 = 6

3x = 24- 18 = 6

x = 6/3 = 2.

Hence, here, x represents that Diego poured initially to each friends before adding 6 more ounce.

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Final answer:

In the story problem, x represents the initial amount of juice in ounces (2 ounces) that Diego pours for each of his three friends before adding an additional six ounces to each.

Explanation:

In the given story problem, x represents the initial amount of juice in ounces that Diego pours for each of his three friends before adding six more ounces to each. To understand what x represents, let's explore the equation 3(x + 6) = 24. This equation tells us that Diego has 24 ounces of juice in total, which is then divided equally among his three friends and after the division, he adds six more ounces to each friend's portion.

Now, if we follow the equation 3(x + 6) = 24 and solve for x, we find that:

Multiply each side of the equation by 1/3 to isolate the term with x, yielding x + 6 = 8.Then, subtract 6 from each side to solve for x, resulting in x = 2.

This means that Diego initially pours 2 ounces for each friend and then adds 6 ounces to each, totaling 8 ounces for each friend.

Which type of data is presented on the y-axis
A. Age
B. Credit card debt
C. Age and credit card debt
D. Averages

Answers

Answer:

1.

Q: What is the purpose of a scatter plot?

A: B. To help visualize the relationship between two types of data.

2.

Q: What is Microsoft Excel particularly well-suited for?

A: D. organizing data

3.

Q: Which type of data is presented on the y-axis?

A: B. Credit card debt

4.

Q: How many people are presented on the scatter plot?

A: C. 13

5.

Q: Which of the following choices could be the approximate coordinates for the oldest person on the scatter plot?

A: A. (58, $7,800)

Just took it! 5/5 100%

Credit card debt is the type of data is presented on the y-axis

What is Graph?

Graph is a mathematical representation of a network and it describes the relationship between lines and points.

We need to find the type of data presented on the y axis.

The given graph is a scatter plot.

A scatter plot uses dots to represent values for two different numeric variables.

The vertical line in the graph represents the y axis.

The horizontal line in the graph represents the x - axis.

In the given graph, the age is represented in the x axis and credit card debit is represented on the y-axis.

Hence, Credit card debt is the type of data is presented on the y-axis

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Idek what this is plz help me :)))

Answers

"Solve for" means isolate, or get by itself. To isolate variables, perform inverse operations:

a.
3(2x - 1) + 2y = 5x
6x - 3 + 2y = 5x
x - 3 + 2y = 0
x - 3 = -2y
3 - x/2 = y
y = 3 - x/2

There - you've isolated y.

b.
600x + 200y = 500x
100x + 200y = 0
100x = -200y
x = -2y

And that's your isolated term for x.

Hope this helps. (:

write y=(- 3/4)x+3 in standard form using intregers

Answers

y = (-3/4)x + 3
4y = 4 * [ (-3/4)x + 3 ] ... multiply both sides by 4
4y = 4*(-3/4)x + 4*3  ...... distribute
4y = -3x + 12 
4y + 3x = -3x + 12 + 3x .... add 3x to both sides
3x + 4y = 12

Answer: 3x + 4y = 12


Draw lines to show how Mrs. Reed could cut one pan of lasagna into thirds,one into fourths,one into sixths,and one into eights

Answers

I hope this is what you meant

What is 3 1/3 +(-2 1/4) + 1 5/6 as a mixed fraction

Answers

The answer is 2 11/12 because you do 3 1/3 + -2 1/4 which gets you 1 1/2. Then you need to add 1 5/6 to the 1 5/6 to get your answer. So when you add up your answer you get 2 11/12. Hope this helps.

By separating between whole numbers and fractions, we will see that the sum is equal to 2 + 11/12.

How to add mixed numbers?

Here we want to perform the sum:

(3 + 1/3) + (-2 - 1/4) + (1 + 5/6)

We separate between whole and fractions, so we get:

(3 - 2 + 1) + (1/3 - 1/4 + 5/6)

The left part is easy: 3 - 2 + 1 = 2

The right part needs to find a common denominator, we will use 12.

1/3 - 1/4 + 5/6 = 4/12 - 3/12 + 10/12 = 11/12

Then the sum is:

(3 + 1/3) + (-2 - 1/4) + (1 + 5/6) = 2 + 11/12

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a map is drawn with a centimeter representing 25 Miles. if the distance between two towns ia 3 centimeters on the map, what is the actual distance between the two towns?

Answers

25 miles * 3 cm= 75 miles
The answer is 75.
1cm=25miles
3cm=xmiles
Cross multiply to get x=75miles

Llene is making smoothies.The recipe calls for 1 1/4 cups of strawberries, How many cups of strawberries, written as a fraction greater than one, are used in the recipe?

Answers

Final answer:

The recipe calls for 1 1/4 cups of strawberries, which is equivalent to 5/4 cups when written as an improper fraction.

Explanation:

The question asks, "How many cups of strawberries, written as a fraction greater than one, are used in the recipe?" The recipe calls for 1 1/4 cups of strawberries. This quantity is already given in the form of a mixed number, which combines a whole number (1) and a fraction (1/4). To write it as a fraction greater than one, which is also called an improper fraction, you multiply the whole number by the denominator of the fraction and then add the numerator of the fraction. So, the calculation would be (1 × 4) + 1 = 5, making the fraction 5/4. Therefore, the recipe uses 5/4 cups of strawberries written as an improper fraction.

HELP THIS IS URGENT HELLPP

Answers

Ok, so the key says 1cm=10mm. So you do 25x10=250cm, then do 250(the fish)-25(the guinea pig)= 225cm

68 is decrease by 15%

Answers

68 divided by 100 = 0.68
0.68 x 15 = 10.2
68-10.2 = 57.8
57.8 is your answer

100% - 15% = 85%
After decreasing by 15%, there will be 85% left

100% = 68
1% = 68 ÷ 100 = 0.68
85% = 0.68 x 85 = 57.8

Make a conjecture about the position, size and shape of a figure if a composition of transformation included a dilation

Answers

If a dilation is included, then there should be a different size in the image as well as a reasonable scale factor.

One side of a rectangle is five times as long as the other side. If the perimeter is 72 meters, what is the length of the shorter side?

Answers

The length is 5x
The width is x

5x+x+5x+x=72
12x=72
x=6

The length of the shorter side is 6 meters
Let's say that the length of the shorter side is x. The longer side is 5 times longer.
Equation: 
Step 1: x
Step 2: 5*x
Step 3: (5x*2)+(2*x)
Step 4: 10x+2x=72
Step 5: 12x=72
Step 6: x=6
So the answer is 6

What is the solution to the following system of linear equations? 4y − 36 = −12x 3x + y = −9

Answers

Answer:

no solution :)

Step-by-step explanation:

Mrs Gomez is having a party to celebrate the hard work of the students in her class. Mrs Gomez has 34 students in the class. The tables in the classrooom only have room for ten students to sit at each table. How many tables does Mrs Gomez need in order to have for all 34 of the students to sit

Answers

She'd need four tables, since 3 would only sit 30 and she would need 4 to sit all 34.
she needs four tables to fit all students

what is the mean median and mode

Answers

mean-the average of numbers
to calculate add all the numbers and divide by how many numbers there are
4,600,000+4,500,000+4,000,000+4,600,000+10,200,000 and since there are 5 numbers divide that by 5


median-find the middle number
put numbers in order from least to greater and find the number in the middle
4,000,000x 4,500,000x 4,600,000 4,600,000 10,200,000x so your answer should be 4,600,000


mode-if a number appears more than once
4,600,000

What is -4 + 3/2= ?

Answers

-4 + 3/2=

Exact Form:

-5/2

Decimal Form:

-2.5

Mixed Number Form:

-2  1/2

Answer:

[tex]\frac{-5}{2}[/tex], [tex]-2\frac{1}{2}[/tex], -2.5

Step-by-step explanation:

So what we want to do is get both of the numbers into the appropriate fraction. So we already have 2 as a fraction so lets just convert -4 into fraction form with a denominator as 2.

[tex]-4+\frac{3}{2}[/tex]

-4 in fraction form is [tex]\frac{-8}{2}[/tex]

We can determine that it is in the right fraction form as if you divide -8 by 2, you would get -4 as the answer so...

[tex]-4 = \frac{-8}{2}[/tex]

Now rewrite the equation now

[tex]\frac{-8}{2} + \frac{3}{2}[/tex]

Now simplify

-8 + 3 = -5

[tex]\frac{-8}{2} + \frac{3}{2}[/tex][tex]= \frac{-5}{2}[/tex]

-5/2

This can be simplified to [tex]-2\frac{1}{2}[/tex]

Or to the decimal form which is -2.5

Select all of the terms that apply to the shape.



pentagon
hexagon
heptagon
octagon
nonagon
decagon
regular polygon
irregular polygon
concave
convex

Answers

Answer:

The terms apply to the given shape are pentagon, irregular polygon and convex polygon.

Step-by-step explanation:

A polygon which have 5 sides called pentagon and if these sides are unequal then it is irregular pentagon or we can say irregular polygon.

A convex polygon is defined as a polygon with all its interior angles less than 180°.

Hence, the terms apply to the given shape are pentagon, irregular polygon and convex polygon.

Answer: Your answer is

convex, pentagon, irregular polygon.

Hope this helps!!! Trust me it's right I got mine right!!

Someone help
i need help

Answers

the equation is :
c=24/6
the answer is :
4 ounces.
24/6=x

Dividing 24 by 6 gives you 4 ounces each sandwich.









Pythagorean Theorem in Cones. I need a lot of help.

Answers

The Pythagorean Theorem formula is listed below. It can only be applied to right triangles.

(side1)^2 + (side2)^2 = (hypotenuse)^2

Since we are given that the base is 8cm, we know that the side of one triangle is 4cm. We are also given that the hypotenuse is 8cm. The height of the cone will be one of the short sides. If we plug these numbers into the formula, we get the following...

4^2 + height^2 = 8^2 

If we solve for height, we get the following...

height = sqrt(8^2 - 4^2) = sqrt(64 - 16) = sqrt(48)

Since we are only asked for what is inside the square root, our answer is 48.

NEED HELP ASAP 20 POINTS

A drama club is planning a bus trip to New York City to see a Broadway play. The table represents the cost per person for the bus rental compared to the number of people going on the trip. What function models the data, and how much per person will it cost if 12 students go on the trip?

TABLE BELOW
Number of Students (n) 3 6 9 16
Cost per Student (c) $24 $12 $8 $4.5

A) nc= 9, $10
B) nc= 72, $6
C) n/c= 72, $12
D)n/c= 9, $12

Answers

As we can see from the table there is a pattern to the whole data in the table. A closer look reveals that when we multiply the number of students, n by the cost per student, c we get a constant number, 72. Let us see what we mean here:

[tex]3\times24=72[/tex][tex]6\times 12=72[/tex][tex]9\times 8=72[/tex][tex]16\times 4.5=72[/tex]

Thus, the function which models the data is the [tex]nc=12[/tex].

Now, let us move on to the next part of the question:

If 12 students go on the trip then the cost per student as per this model will be:

[tex]\frac{72}{12}=6[/tex] dollars=$6

Therefore, out of the given options, the option the correct option is number B.


Answer:

nc=72,6$

Step-by-step explanation:


Suppose the population of a town is 15,200 and is growing 2% each year. Write an equation to model the population growth. Predict the population after 10 years. y = 15,200 ∙ 2x; about 15,564,800 people y = 2 ∙ 15,200x; about 304,000 people y = 15,200 ∙ 1.02x; about 18,529 people y = 15,200 ∙ 2x; about 18,529 people

Answers

For this case, what you need to know is that to model this problem, you must use equations of the potential type:
 y = A * (b) ^ t
 Where:
 A: initial population.
 b: growth rate.
 t: time.
 Substituting values we have:
 y = 15200 * (1.02) ^ t
 After 10 years we have:
 y = 15200 * (1.02) ^ 10
 y = 18529
 Answer:
 An equation to model of the population growth is:
 y = 15,200 ∙ 1.02 ^ x
 the population after 10 years is:
 about 18,529

If the dimensions of a parallelogram are increased by a factor of two, how will the perimeter of the object be affected?
increase by a factor of four
decrease by a factor of one-fourth
increase by a factor of two
decrease by a factor of one-half

Answers

Let
x------------> length major side  parallelogram
y------------> length minor side  parallelogram
we know that 
[perimeter]=(2x+2y)
Po=(2x+2y)

If the dimensions of a parallelogram are increased by a factor of two
then
x1=2x
y1=2y
P1=2x1+2y1----------> 2*[2x]+2*[2y]--------> P1=2*[2x+2y]
P1=2*Po

the answer is 
the new perimeter increase by a factor of two

Answer:

increase by a factor of two

Step-by-step explanation:

Given that dimension of a parallelogram are increased by a factor of 2.

Let the sides of the parallelogram be l and w.

Then perimeter = 2(l+w)

When each side is increased by a scale factor of 2, we get new dimensions as

2l and 2w

Hence new perimeter = 2(2l+2w) = 4(l+w)

= twice as old perimeter

Hence increase by a factor of two

Paul walks 2 miles in 25 minuets. How many miles can Paul walk in 137.5 miles

Answers

Hey!
First thing we can divide 25/2 to get 12.5
Next we can multiply 137.5 * 12.5 to get your answer of 1,718.75 hope this helps
This is a proportion problem. 2 is to 25 minutes as x minutes is to 137.5 minutes ( I assume you meant minutes).

x= minutes walked in 137.5 minutes

2/25 = x/137.5
cross multiply
2*137.5 = 25*x
275 = 25x
divide both sides by 25
11 = x

He can walk 11 miles in 137.5 minutes.

Hope this helps! :)

∠1 and ​ ∠2 ​ are vertical angles. ∠2 ​ has a measure of 31°. What is the measure of ​ ∠1 ​? Enter your answer in the box. °

Answers

The meaning of vertical angles are two congruent angles formed by the intersection of two straight lines. 

On this question is given that angles one and two are vertical, and the measure of one of them or angle two is 31 degrees.
As said before vertical angles are congruent, or have the same measurement.

Meaning that angle one is equal to 31 degrees.

Two letter are chosen without replacement at random from the English alphabet. If y is considered to be a consonant, find the probability that both are vowels and that both are consonants

Answers

To find the probability of picking a vowel, you would find the probability of getting a vowel the first time (5/26). The next time you pick it would be 4/25. Multiply these together to get 2/65 as your probability of getting a vowel. For your probability of getting a consonant, it would be 21/26 and 20/25. Multiply this together to get 42/65 as your probability.

Final answer:

Explanation of the probabilities of choosing two vowels and two consonants from the English alphabet without replacement.

Explanation:

The probability of choosing two vowels:

There are 5 vowels in the English alphabet: a, e, i, o, u.

The total number of ways to choose 2 letters out of 26 is C(26, 2) = 325.

The number of ways to choose 2 vowels out of 5 is C(5, 2) = 10.

Therefore, the probability of choosing 2 vowels is 10/325 = 2/65.

The probability of choosing two consonants:

The total number of ways to choose 2 consonants out of the remaining 21 letters is C(21, 2) = 210.

Therefore, the probability of choosing 2 consonants is 210/325 = 42/65.

o decorate his bedroom, Mike spent $41.64 on new bedding, $36.84 on paint, and $72.49 on accessories. About how much did he spend to decorate his bedroom?

Answers

He spent 150.97 hope this helps :) have a good day

Answer:

Mike spent $150 on his decorations.

Step-by-step explanation:

In order to find the amount of money Mike spent on his decorations you must add all the costs together.

$41.64 + $36.84= $78.48

$78.48 + $72.49= $150.97

Then you round 150.97 to 151, which is also close to 150.

Hope this helps :)

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Most of the currently standing great wall of china, and which is the most photographed, was Which of piaget's stages of cognitive development is characteristic of infants?a. the sensorimotor stageb. the concrete operations stagec. the formal operations staged. the preoperational stage? What was the correct order of the republican cursus honorum? The word "allogenic" means originating __________. Chang industries has 1,400 defective units of product that have already cost $13.40 each to produce. a salvage company will purchase the defective units as they are for $4.40 each. chang's production manager reports that the defects can be corrected for $6.60 per unit, enabling them to be sold at their regular market price of $19.80. the incremental income or loss on reworking the units is: Kevin rented a truck for obe day. There was a base fee of $15.99, and there was an additional charge of 83 cents for each mile driven. Kevin had to pay $177.01 when he returned the trunk. For how many miles did ge drive the trunk? What vibrates when an aeroplane flies over our house? A barometer displaying a reading of 29.8 inches of mercury would be equivalent to ___________ millibars of atmospheric pressure Suppose that x and y vary inversely and x = 1 when y = 12. Write a function that models the inverse variation. Graph the function and find y when x = 20.Write a function that models the inverse variation. N2 + 3 H2 -> 2 NH3 How many mols of N2 will be produced if it reacts with 2.5 x 1021 molecules of N2 Which substance cannot be broken down by a chemical change?A) butanalB) propeneC) goldD) water Atticus and alexandra disagree about how to deal with the children. how does atticus handle the situation Jogging, swimming and biking are examples of what type of exercise? help me please which one is the answer The necklace charm shown has two parts, each shaped like a trapezoid with identical dimensions.What is the total area, in square millimeters, of the charm? Understanding how much of a product is produced in a reaction is referred to as ________ understanding the reaction? If the deal goes through the adventure would be chronicled in a TV series.Should there be a comma or semi-colon after the word through or is no punctuation needed? Devin borrowed $1,058 at 13 percent for nine months. What will he pay in interest?How much is his total payment?What will be his monthly payment? Complete each of the following templates using an argument from this chapter. Use at least two different text Sixty-five-year-olds should drive cars with ________ windshields because with age the eye's lens becomes ________ transparent.