Answer
a) -5
b)16
c)-75
d)14a-5
e)7a+9
Work Step by Step
We substitute x for each value given
a $f(0)=7*0-5=-5$
b $f(3)=7*3-5=16$
c $f(-10)=7*(-10)-5=-75$
d $f(2a)=7*2a-5=14a-5$
e $ f(a+2)=7*(a+2)-5=7a+14-5=7a+9$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Review Exercises - Page 172: 4
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