145 Answered Questions for the topic Domain

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...
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02/20/16

#### 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.

#### 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...
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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 Domain And Interval Notation

02/08/16

#### 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 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...
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#### 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 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

Domain Logarithms

11/29/15

#### Help with logarithm domains please?

What is the domain of:
f(x)= log2(x3-X)
I know how to find the domain of logarithms, but I can't figure out how to treat the x3-x>0. Help please?

Domain

11/19/15

#### domain of f(x) if f(x)=-(x+2)^3-2

Find the domain and range of the function below. f(x)= -(x+2)^3-2 The domain of f(x)is The range of f(x) is

Domain College Algebra

10/21/15

#### Given the function h(t)= 3t-1/2t^2-11t+5, find the domain and express your answer in set builder or interval form.

Given the function h(t)= 3t-1/2t^2-11t+5, find the domain and express your answer in set builder or interval form.

09/18/15

#### Find the domain and range of the function

f(x)=
-3x-2 x less than 4
3/4x-1 x greater than or equal to 4
I have figured out the domain is (-infinity,infinity). I am really struggling on the range.

08/31/15

#### Range/domain function

Find the domain of the following functions.
a.) p(t)=1/t2-4
b.) t(a)=4√a-2

Domain

08/25/15

#### Find the Domain g(x)=1/x-3/x+9

How do you find the domain of this problem? I'm having a hard time understanding

08/22/15

#### Need help on this word problem.

a bicycilat travels at a constant speed of 12 miles per hour for a total of 45 minutes. (Use set notation for the domain and range of the function that models this situation.)

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