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 - Monitoring Progress - Page 218: 4

Answer

$f(3)=5$

Work Step by Step

We have $x=3$. Use the second equation. $f(x)=x+2,$ if $-2\leq x \leq5$ Substitute $3$ for $x$. $\Rightarrow f(3)=3+2$ Simplify. $\Rightarrow f(3)=5$
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