Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - Chapter Summary, Review, and Test - Review Exercises - Page 480: 11

Answer

The value of \[f\left( -4 \right)\]is \[-64\].

Work Step by Step

The provided equation is\[y=-3{{x}^{2}}+6x+8\]. To find the value of \[f\left( -4 \right)\], substitute the value \[x=-4\] in the provided equation. \[\begin{align} & y=-3{{\left( -4 \right)}^{2}}+6\left( -4 \right)+8 \\ & =-48-24+8 \\ & =-64 \end{align}\]
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