Page 1
1.
For
( )
( ) 3 3.2 x
fx=
and
4
( ) 16g x x=
As
x→
which of the following is true?
A)
( ) ( )f x g x
B)
( ) ( )f x g x
2.
As
x→
which function dominates,
or
4
( ) 32g x x=
?
A)
()fx
B)
()gx
3.
For 0 < x < 5, where do the graphs of f(x) = 9x9 and g(x) = 9x intersect?
4.
Compare the functions f(x) = 2x2 and g(x) = 2x. On the interval (1, 5),
A)
f(x) < g(x)
B)
f(x) = g(x)
C)
f(x) > g(x)
5.
Compare the functions f(x) = 6x6 and g(x) = 6x. On the interval
( )
10,
,
A)
f(x) < g(x)
B)
f(x) = g(x)
C)
f(x) > g(x)
Page 2
6.
Which graph represents the function f(x) = 8x8?
A)
B)
C)
D)
Page 3
7.
Which graph represents the function f(x) = 7x7?
A)
B)
C)
D)
Page 4
8.
Which graph represents the function f(x) = –12x12?
A)
B)
C)
D)
Page 5
9.
Which graph represents the function f(x) = 3x3?
A)
B)
C)
D)
Page 6
10.
Which graph represents the function f(x) = 7x?
A)
B)
C)
D)
Page 7
11.
Which graph represents the function f(x) = 5–x?
A)
B)
C)
D)
Page 8
12.
Given the points (2, 24) and (4, 192), find the power function of the form y = axp that
goes through the two points.
13.
Given the points (2, 4) and (4, 16), find the power function of the form y = ax that goes
through the two points.
Page 9
Answer Key