Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.8 Function Operations and Composition - 2.8 Exercises - Page 286: 12

Answer

$$\color{blue}{\bf{ 44 }}$$

Work Step by Step

We are given the two functions $\bf{f}$ and $\bf{g}$ $\bf{f(x) = x^2 + 3}$ and $\bf{g(x) = -2x + 6}$ and asked to find $\bf{( f+g )( -5 )}$ $(f+g)(-5)= f(-5)+ g(-5)$ $((-5)^2+3)+ (-2(-5) + 6)$ $25+3+ 10 + 6)$ $44$ $$\color{blue}{\bf{ 44 }}$$
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