College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.7 - Combining Functions - 2.7 Exercises - Page 252: 27


(a) 5 (b) -5

Work Step by Step

We are given: $f(x)=2x-3$ and $g(x)=4-x^2$ We evaluate: (a) $f(g(0))=f(4-0^{2})=f(4)=2(4)-3=5$ (b) $g(f(0))=g(2*0-3)=g(-3)=4-(-3)^{2}=4-9=-5$
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