Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 2 - 2.6 - Combinations of Functions: Composite Functions - 2.6 Exercises - Page 219: 22

Answer

(f/g)(0) = -3/2

Work Step by Step

The notation (f/g)(0) can be rewritten as f(0) / g(0). This can be solved by evaluating the two functions at 0 and dividing the two numbers. In this question: f(x) = x + 3 g(x) = $x^{2}$ - 2 Evaluate the functions and then divide: First we want to evaluate f(x) at x = 0: f(0) = 0 + 3 = 3 Then we want to evaluate g(x) at x = 0: g(0) = $(0)^{2}$ - 2 = -2 Divide the numbers: (f/g)(0) = 3/-2 = -3/2 (f/g)(0) = -3/2
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