Answer
See explanations.
Work Step by Step
Step 1. Evaluate $f(0)=8\gt0$
Step 2. Evaluate $f(4)=-2(4)^2-3(4)+8=-36\lt0$
Step 3. Based on the Intermediate Value Theorem, the function has at least one real zero on the given interval.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 4 - Polynomial and Rational Functions - Chapter Review - Chapter Test - Page 245: 10
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