Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - 7.1 Graphing and Functions - Exercise Set 7.1: 40

Answer

(a) $g(5)=-24$ (b) $g(-4)=-15$

Work Step by Step

RECALL: $g(a)$ represents the value of the function $g$ when $x=a$. Replace $x$ with the given value to obtain: (a) $g(5) = -5^2+1 \\g(5)= -25+1 \\g(5)=-24$ (b) $g(-4) = -(-4)^2+1 \\g(-4)= -16+1 \\g(-4)=-15$
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