Consider the following functions. f(x)=x^(3)-8 and g(x)=\sqrt(x+1)   Find the domain for (fg)(x). Express your answer in interval notation.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter3: Functions
Section3.5: Transformation Of Functions
Problem 5SE: How can you determine whether a function is odd or even from the formula of the function?
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Consider the following functions.

f(x)=x^(3)-8 and g(x)=\sqrt(x+1)

 

Find the domain for (fg)(x). Express your answer in interval notation.

Expert Solution
Step 1

Here the composition of functions are required and the concept of square root function to find the domain.

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