Answer
20
Work Step by Step
We first find what g(3) is equal to:
$g(3)= 3^{2} +1 = 9 +1 =10$
Thus, we know we want to find f(10):
$f(10)= 2(10) =20$
Furthermore, $f(g(3))=20$.
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 4 - An Introduction to Functions - 4-6 Formalizing Relations and Functions - Practice and Problem-Solving Exercises - Page 273: 40
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