Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 4 - Section 4.3 - Polynomial Functions, Graphs, and Composition - 4.3 Exercises: 6

Answer

a. -4, b. 14, c. 0

Work Step by Step

We are given the function $f(x)=x^{2}+5x$. In order to find the specified values, we can plug the values into the function and solve. a. $f(-1)=(-1)^{2}+5(-1)=(-1\times-1)+5\times-1=(1)+5=1-5=-4$ b. $f(2)=(2)^{2}+5(2)=(2\times2)+5\times2=(4)+10=4+10=14$ c. $f(0)=(0)^{2}+5(0)=(0\times0)+5\times0=(0)+0=0+0=0$
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