Spring 2013
January 11, 2013
Math 1310-001
Camacho
J1Lffi
Name:_________________
Directions: Show your work in answering the following questions. Write your final answers in
the spaces provided.
f(x) x
2 + 2x and g(x)
1.
Let
(a)
(f°g)(x)
(g°g)(x)
=
((‘xi
2.
x
—
1. Find the following and simplify your answers:
=
(4)fr
(b)
=
(x)
(xXx+I +2
[
(x-i)
(x)
)
-I
Use the laws of exponents to simplify the following expressions:
(a)
1,3
‘-1
xz)
3
(x+
—
(b)
x
)Y
2
3
j
t?
3st
;
3r2
(--(3vi+7)
x
—