43 Answered Questions for the topic Functions And Domain

07/02/15

#### find f(-5) with these values, {(-2,8), (-1,5),(1,-1), (3,5)}

My question is in the description.

05/19/15

#### The domain of the function f(x) = 3x3 is {2, 5}. What is the function’s range?

The domain of the function f(x) = 3x3 is {2, 5}. What is the function’s range?

04/29/15

#### Am I doing this function question correctly?

f(x) = x+4 / x^2 + x - 56
Find all values of x that are not in the domain of f. If there is more than one value, separate them with commas.
I factored the quadratic into (x - 7) ( x +...
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08/14/14

#### need help to find the domain of this function f(x)=sqrt 84-6x

need help to find the domain of this function f(x)=sqrt 84-6x

07/09/14

#### a helicopter that is 2000 meters above the ground at a rate of 2 meters per second. The altitude of the helicopter after t seconds is given h(t0+2000-2t.

Give the range of this function and give the domain of this function.
Algebra 1

03/29/14

#### What is the range of this function?

f(x)=2 sqr(-x^2+4) - 2 the range is R:{y| -2 ≤ y ≤ 2, yER) How do i get this answer?

11/11/13

#### Domain of sqrt(2x^2-7)?

How I find the domain of √(2x2-7)? Please include all steps so I know what I'm doing, because I have no idea how to find the answer. Thanks!

11/09/13

#### When finding the inverse of f(x)=v(x-3) (a one to one function) and stating the domain and range of the inverse, why is the domain of the inverse switched?

So if f(x)=√(x-3), I know the original domain would be [3, ∞) and the range would be [0,∞), but what would the domain and the range be for the inverse be, which is f-1=x2+3, and why would it be...
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11/08/13

#### f(x)=x^2+7 need the domain and range of the function in interval notation

f(x)=x2 +7
need the domain and range of the interval notation

10/16/13

#### Find the domain of each function.

Find the domain of each function.
1.) f(x)=(x^2-4x+3)/(x-1)2.) g(x)=(x^2-4)(x-3)/(x^2-x-6)3.) F(x)=(x^3-2x^2)/(x-2)4.) G(x)=√(x-1)5.) f(x)=3/√(x-4)

10/09/13

#### a rectangle has one corner in quadrant 1 on the graph of y=16-x squared, another at the origin, and a third on the positive y-axis, and the fourth at the positi

a rectangle has one corner in quadrant 1 on the graph of y=16-x squared, another at the origin, and a third on the positive y-axis, and the fourth at the positive x-axis.(a) express the area a of...
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10/01/13

#### I don't understand function notation such as how to find fg(x) or how to use functions in a graph or table

I don't understand how to find the domain or range in an equation and put it in a graph or what are the coordinates in the graph

10/01/13

#### What are the Domains of the functions R(X) and H(X)?

Given the functions f(x)=3x-2-4/x, and g(x)=2-3x, find the indicated values: f(a+b) and g(a)-g(a-b)+f(a)

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