157 Answered Questions for the topic Domain

11/05/21

#### Inverse and radical functions precalculus

Let f(x)=(x+5)^2 Find a domain on which f is one to one and non decreasing. Find the inverse of f restricted to this domain f^-1(x)=

#### Restricted domain

If the domain of the original function f(x)=x^2+4x-6 was restricted to the left side of the axis of symmetry, what is the correct equation of the inverse? What about the right side and it’s...
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10/03/21

#### What is the domain and range for cube root function?

If there are no restrictions mentioned, what is the domain for cube root functions?
If there are no restrictions mentioned, what is the range for cube root functions?

#### combining functions

f(x)=4x and g(x)=cube of √x Step 2 of 2 : Find the formula for (f/g)(x) and simplify your answer. Then find the domain for (f/g)(x).(f/g)(x)=???Domain=???

01/27/21

#### trouble with functions and domain/range

Assume a car uses gas at a constant rate. After driving 25 miles since a full tank of gas was purchased, there was 9 gallons of gas left; after driving 70 miles since a full tank of gas was...
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#### Write an equation for the inverse function. State the domain of the inverse.

write an equation for the inverse function and state the domain of the inverse.F(x)= (x+4)^2 - 3

#### Given the following functions, perform the indicated operation. Then state the domain.

F(x)=3x-6 g(x)=2x^2-5xg(f(x))=?

11/19/20

#### Consider the function F(x,y) = x+ y . What is the domain of F?

Consider the function F(x,y) = √x+ y . What is the domain of F?y≥ -xy> x y> -xy≥ x√

09/17/20

#### Given the function below, find the domain of (f∘g)(x)

f(x)=1/13x−26g(x)=root2x+24How to find the domain

Domain Algebra 2

04/02/20

#### Mathematics algebra 1

If the function f(x)=x^2 +1 has the domain {0,1,4} what is its range

03/17/20

#### Graph the piecewise defined function f(x)= 1-x^2 if x < 2 and f(x)= x if x > 2

Graph, and find domain & range. Note: On f(x)= 1-x^2 if x < 2 , if x<2 is equal to as well. (Could not find symbol on keyboard).

02/23/20

#### find domain of inverse

g(x)= x2 − 6x + 7 for x >4. By first completing the square, find and expression for g-1 (x) and state the domain of g-1I found the inverse to be √(x+2) + 3is the domain x≥-2?

#### DOMAIN: Find the domain of the function. In the space provided, type the answer without any spaces between the letters, numbers, or symbols.

Let x and y be directly related. If x is 18 when y is 6, find y when x is 21.

#### What is the difference between domain of x/x and 1?

if f(x) = x/x and g(x) = 1, then f(x) = g(x). But why is the domain of f(x) is all non-zero all real number and g(x) is all real number?

#### DOMAIN: Find the domain of the function. In the space provided, type the answer without any spaces between the letters, numbers, or symbols.

f(x) = x2 + 8x − 1

Domain Precalculus

09/05/19

#### Supposed that f(x) has a domain of [10,18] and a range of [7,15]. What are the domains and ranges for the following? (a) f(2x) (b) 2f(x)

Domain Precalculus

07/31/19

#### Math find domain restrictions

Which functions has the fewest domain restrictions for real number? A) f(x)= 1/(x-1)B) f(x)= 1/(x+1)C) f(x)= 1/(x^2-1)D) f(x)= 1/(x^2+1)

#### What's the domain of the following functions?

First function:y = 1÷(x+3)Second function:y= √x

#### Functions, Domain, Independent/Dependent

The annual cost of health insurance H as a function of age a is given by the function H(a)=22.6a-119.2 for 15 is less than or equal to a is less than or equal to 90.What are the independent and...
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Domain

09/28/18

#### h(t)= t 1 h, left parenthesis, t, right parenthesis, equals, start fraction, 1, divided by, t, end fraction What is the domain of h?h?

h(t)= t1 h, left parenthesis, t, right parenthesis, equals, start fraction, 1, divided by, t, end fractionWhat is the domain of h?h?

09/07/18

#### Compute the domain of the function

Compute the domain of the function f(x)= ax−15 in terms of a. Assume a>0. Answer with an interval, i.e. [0, infinity), or unions of intervals, i.e. (-infinity,1]U(6,9), or answer simply with an...
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