Answer
$3$
Work Step by Step
The minimum value of $f(x)$ is the $y$-coordinate of the lowest point on the graph, which is at the vertex.\\
The $y$-coordinate of the vertex is $3$ therefore the minimum value of $f(x)$ is $3$.
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 3 - Section 3.1 - Quadratic Functions and Models - 3.1 Exercises - Page 294: 27
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