Big Ideas Math - Algebra 1, A Common Core Curriculum

Published by Big Ideas Learning LLC
ISBN 10: 978-1-60840-838-2
ISBN 13: 978-1-60840-838-2

Chapter 4 - Writing Linear Functions - 4.7 - Piecewise Functions - Exercises - Page 222: 7

Answer

$g(-4)=8$

Work Step by Step

We have $x=-4$. Use the first equation. $g(x)=-x+4,$ if $x \leq -1$ Substitute $-4$ for $x$. $\Rightarrow g(-4)=-(-4)+4$ Simplify. $\Rightarrow g(-4)=4+4$ $\Rightarrow g(-4)=8$
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