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: 7


a. 8, b. 2, c. 4

Work Step by Step

We are given the function $f(x)=x^{2}-3x+4$. In order to find the specified values, we can plug the values into the function and solve. a. $f(-1)= (-1)^{2}-3(-1)+4=(-1\times-1)-3\times-1+4=(1)-(-3)+4=1+3+4=8$ b. $f(2)= (2)^{2}-3(2)+4=(2\times2)-3\times2+4=(4)-6+4=4-6+4=2$ c. $f(0)= (0)^{2}-3(0)+4=(0\times0)-3\times0+4=(0)-0+4=0-0+4=4$
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