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!?

10/06/17

domain of (12x+5)/(53)

i am trying to find the domain of this problem and feel stupid  

10/03/17

What is the domain of √x+3x-5

What is the domain of √x+3x-5

10/03/17

find the domain of (x+ 7)(x- 7) / x^2 + 49

 find the domain for the question

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... more

09/27/17

f(x)=6x+5 and g(x)=1-10x

don't know, so I was asking for help

09/14/17

Find the domain of the function

g(x) =     √x          _______      4x2 + 3x − 1

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

08/24/17

find the domain of x+37/x+30

I have to find the domain of the function (x+37)/(x+30)

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... more

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.

05/20/17

f(x)=2x^2-2x-12

domain of function using set builder notation

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... more

05/11/17

Domain and Range

Find the domain and range of the function   y={x+1 if -5<x<0       x2    if 0≤x≤5

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

04/18/17

How to find the domain

Find the domain of y=1/x+3 = -9

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