Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 12 - Section 12.1 - The Algebra of Functions - Exercise Set: 14

Answer

$(h\circ g)(0)=0$

Work Step by Step

$g(x)=-2x;$ $h(x)=\sqrt{x}$ $(h\circ g)(0)$ First, find $g(0)$ by substituting $x$ by $0$ in $g(x)$: $g(0)=-2(0)=0$ Find $(h\circ g)(0)$ by substituting $x$ by $0$ in $h(x)$: $(h\circ g)(0)=h(0)=\sqrt{0}=0$
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