153 Answered Questions for the topic Domain

10/14/16

Composite Functions & Domains

f(x)= (x+3)/(x^2-4x-5) and (x)=(square root of(2-x))   Algebraically determine the domain of f(x)/g(x).   If you could provide a detailed explanation of how this would be done it would be... more

10/12/16

what is the domain of x^4-7x^3+7/(3x+8)(x-4)

answer should be in set notation

09/26/16

What's the domain of f(x)=3x+10/4x-20

What is the domain of that equation?
Domain

09/26/16

domain of sqrt{-x^3+5x^2+9x-45}

 domain of sqrt{-x^3+5x^2+9x-45}
Domain

09/15/16

1/(((5x^2)+(4x)-1)^(1/2))

 I would like to know the domain for the function please. and just to clarify, the bottom is the square root of 5x squared plus 4x minus 1
Domain

09/09/16

f(x) = 3x^5/(2x - x^1/2)

What is the domain of the function?
Domain

09/01/16

((4,12), (6,18), (7,21))

find domain
Domain Function Range

07/21/16

Domain and Range & Function

(1,9) (-4,-8) (8, -3) (7,-2) (5, -5) (-4, 12)   State the domain and range of the following relation and determine if it is a fuction, explain why.    
Domain

07/17/16

State the domain in interval notation

J(x) = 6 − (9x − 9)^9/5 
Domain

07/09/16

Domain of function

For the function √x / 1-x , why is the domain (1,positive infinity)?    I know you cant have 0 in the denominator but I thought you can count everything above 0 like 0.1,0.2 etc.
Domain

05/27/16

find the domain and range, is the relation a function

?(a) Find the domain and range of the relation. ?(b) Determine whether the relation is a function.?{(7?,85?), ?(5?,45?), ?(7?,35?), ?(3?,75?)}
Domain

02/25/16

domain.......

when determining the domain of a function that has a root as the numerator and a quadratic function as a denominator, do I need to solve just the latter one or both? when determining the domain of... more
Domain

02/24/16

Find the domian of 3x/7-x

Find the domian of 3x/7-x

find domain of g(x)=log_5(6x+4)

The domain must be either greater than or less than x. Not sure how to set this up correctly. 
Domain

02/19/16

F(x)=(6x+5)/(x^2-5x+4) domain?

domain? 
Domain

02/17/16

domain of y=7x+(x/3)

what is the domain of y=7x+(x/3)

Writing a function and giving a domain

A local bank has a debit card that gives a $3 reward each month you use your card for $50 or more in purchases. Write an equation relating rewards earned, y, to total monthly purchases, x. give the... more
Domain

02/11/16

Find the domain of the function h where h(x)=(x(x-12))^1/2

Find the domain of the function h where h(x)=(x(x-12))^1/2
Domain Math Range

02/09/16

Domain& range

What is the domain/range of y=(1/3)^x

x^2/4x-3 what is the domain. I can figure this out

This equation has me stumped, I know that it can not equal zero but that is it. Please help.
Domain

02/06/16

Find the domain of the expression. 5x + 8 x - 6

what is the answer
Domain Equations

01/23/16

can someone help and check over the work

 Let f(x) = (x - 9)/(x + 2) (a) Calculate f(-3). I got f=-4 for this. or if i didn't finish the entire equation it would be -3f=12 would i finish the equation for... more
Domain Function Tangent

01/10/16

What is the domain of the tangent function?

I am trying to figure this out, could somebody please help me?    What is the domain of the tangent function?
Domain

12/21/15

Find the domain of ƒ(x) = 2x - 100 + 200.

Find the domain of ƒ(x) = 2x − 100 + 200.
Domain Functions

12/02/15

Find the domain of the function

Given the function f(x)=log (5-8x) a. find the domain of the function in set notation b. solve the function when f(x)=0

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