140 Answered Questions for the topic Domain

02/18/18

#### Find the domain of the function. x/sqrt(x-10)

x over the square root of x-10. Find the domain.

02/18/18

#### Find the domain of the function. h(x) = x-2/x^3 - 49x

h(x)=x-2 over x to the 3rd-49x. Find the domain.

02/13/18

#### Inverse Functions: Quadratic, square root

Consider the function f(x)=x^2+6 for the domain [0, infinity)
Find f-1(x), where f-1 is the inverse of f.
Also, state the domain of f-1 in interval notation

02/08/18

#### What is the domain and range from 30x+22=y?

I need to find the domain and range for a project and I have been struggling.

01/21/18

#### Let f(x) = 8x + 4 and g(x) = 3x − 9. Find the function and its domain.

I am not sure what x should be. I have the (-infinity, infinity) but I am not sure how to get the function.

01/09/18

#### Piecewise Functions Domain

Find the domain of the function. Enter your answer in interval notation.
f(x) = { x+3 if x<-1, -2x if |x| is less than or equal to 1, -2 if x>1
Help!?

10/01/17

#### Of the equation s(t) = 6000 - 500t Find the range of this function when the domain is 2 and 7.

I needed to clarify my other question. I need help determining the range of it. I'm stuck on this question for Math of Language arts question. I'm a little confused and the text book and videos...
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08/29/17

#### (f+g)(x)=4x-3 what's the domain of f+g

I need help finding the domain of f+g
(F+g)(x)=4x-3 is there anybody who can help me with college algebra

07/14/17

#### The function f has a domain of {1,3,5,7} and range of {2,4,6} could f be represented by {(1,2),(3,4),(5,6),(7,2)}? Justify your answer.

The function f has a domain of {1,3,5,7} and range of {2,4,6} could f be represented by {(1,2),(3,4),(5,6),(7,2)}? Justify your answer.

05/25/17

#### Domain of composition

If the domain of g(x) is the set Dg={x|x|}≠0 and the domain of f(x) is the entire number line, then
a. what is the domain of the composition f(g(x))?
b. what condition defines the domain of...
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05/23/17

#### find the domain for f(x)=3x+2/3x^2+5x+2

I need help finding the domain of the function of f(x)= 3x+2/3x^2+5x+2.

05/22/17

#### Solve the equation for the given domain

1.) cos2Θ + cosΘ-1=0 for 0°<=Θ<=180°
2.) 4cos2Θ=1 for 0°<=Θ<=360°

05/20/17

#### You have a coupon for $50 off your camera purchase of $100 or more.

Write a function relating a camera's purchase price after coupon, y, to the retail price, x.

05/14/17

#### Domain of the equation

The maximum velocity of the Magnum XL-200 roller coaster depends on the vertical drop from the top of the highest hill to the bottom of that hill. v=8√¯h gives the relationship between maximum...
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05/06/17

#### What's the domain of y=√7x-4

I've tried many different approaches to this problem but I still can't seem to get it. The answer choices are:
A)x >_ 4
B)x >_ 4/7
C)x <_ 4
D)x <_ 4/7

04/20/17

#### find the domain of the rational function s(x)=17/(9x-18)

answer in interval notation requested

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