Answer
$f(x)= -3(x-5)^2+71$
Work Step by Step
Form a square for the function to get $f(x)=-3(x^2-10x+25)+75-4=-3(x-5)^2+71$
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 - 4.5 The Real Zeros of a Polynomial Function - 4.5 Assess Your Understanding - Page 235: 125
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