BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071
BuyFind

Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

Solutions

Chapter 2, Problem 21RE
To determine

Find the domain of the function h(x)=4x+x21

Expert Solution

Answer to Problem 21RE

The domain of the function h(x)=4x+x21 is [(,1)(1,4)]

Explanation of Solution

Given information: Consider the function h(x)=4x+x21

Calculation:

Don’t take the square root of a negative number, so we must have g(x)0

  4x04xx4

Thus, the domain of the function h(x)=4x+x21 is [(,1)(1,4)]

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