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Unit 1, Activity 3, Operations on Functions with Answers
Blackline Masters, Advanced Math – PreCalculus
Page 27
Louisiana Comprehensive Curriculum, Revised 2008
1. Given the following functions
:
fx x
gx
x
hx
x
x
()
, ()
,
=+
=
= −−
2
1
2
2
and
.
Find and simplify your answers:
af gx
b
f
g
x
cghx
dfhx
.(
)( )
.
.
.
+
F
H
G
I
K
J
⋅
b
g
bg
b
g
b
gb
g
D
.
.
.
.
2
2
2
2
x
2x 1
a
x
bx 2x
x
x2
c
x
dx x
++
+
−−
−
2. Key for composition of functions is provided below.
f(g(x))
f(x)
g(x)
Domain of
f(g(x))
Domain of
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This note was uploaded on 10/10/2011 for the course MAC 1147 taught by Professor German during the Fall '08 term at University of Florida.
 Fall '08
 GERMAN
 Calculus, PreCalculus

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