Answer
$f(-1)=2$
Work Step by Step
$f(x)=x^2+2x+3$
Substitute $x$ with $-1$
$f(-1)=(-1)^2+2*(-1)+3=1-2+3=2$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 1 - Section 1.1 - Functions from the Numerical, Algebraic, and Graphical Viewpoints - Exercises - Page 52: 15c
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