Answer
$\frac{2}{3}$ is not a zero of the function
Work Step by Step
$f(\frac{2}{3})=(\frac{2}{3})^7+6(\frac{2}{3})^5-(\frac{2}{3})^4+(\frac{2}{3})+2\approx3.318\ne0$
Therefore $\frac{2}{3}$ is not a zero of the function
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 5 - Section 5.5 - The Real Zeros of a Polynomial Function - 5.5 Assess Your Understanding - Page 389: 123
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