Answer
minimum $f(1)=1$.
Work Step by Step
Step 1. Form square of the given function, we have $f(x)=3(x^2-2x+1)-3+4=3(x-1)^2+1$.
Step 2. Thus there is a minimum $f(1)=1$.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 3 - Linear and Quadratic Functions - Chapter Review - Review Exercises - Page 163: 14
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