Page 1
1.
What description best fits the power function,
p
y kx=
, pictured?
A)
k is negative and p is negative and odd
B)
k is positive and p is negative and odd
C)
k is negative and p is negative and even
D)
k is positive and p is negative and even
2.
Which of the following is the graph of a power function,
p
y kx=
, where k is negative
and p is negative and odd?
A)
B)
C)
D)
Page 2
3.
Which of the following is the graph of a power function,
p
y kx−
=
, where k is negative
and p is even?
A)
B)
C)
D)
4.
Find the description that best fits the power function,
p
y kx=
, where
and
when
0x
, y
0 and when
0x
, y
0
A)
k is positive and p is negative and even
B)
k is positive and p is negative and odd
C)
k is negative and p is negative and even
D)
k is negative and p is negative and odd
Page 3
5.
Find the description that best fits the power function,
p
y kx−
=
, where
and
when
0x
, y
0 and when
0x
, y
0
A)
k is positive and p is odd
B)
k is positive and p is even
C)
k is negative and p is odd
D)
k is negative and p is even
6.
Which description best fits the power function,
p
y kx=
, where k is positive and p is
negative and odd?
A)
when
0x
, y
0 and when
0x
, y
0
B)
when
0x
, y
0 and when
0x
, y
0
C)
when
0x
, y
0 and when
0x
, y
0
D)
when
0x
, y
0 and when
0x
, y
0
7.
Which description best fits the power function,
p
y kx=
, pictured?
A)
k is negative and p is negative and even
B)
k is negative and p is positive and even
C)
k is positive and p is positive and odd
D)
k is negative and p is negative and odd
Page 4
8.
Which of the following is the graph of a power function,
p
y kx=
, where k is negative
and p is positive and even?
A)
B)
C)
D)
9.
Find the description that best fits the power function,
p
y kx=
where
A)
k is negative and p is negative and even
B)
k is negative and p is positive and odd
C)
k is positive and p is negative and odd
D)
k is positive and p is negative and even
Page 5
10.
Which description best fits the power function,
p
y kx=
where
k is negative and p is positive and odd?
A)
B)
C)
D)
11.
Find a function to express the ratio of a the surface area of a sphere to the volume of a
sphere.
12.
Which equation best describes the graph
A)
( ) 5f x x=
B)
() 5
x
gx=
C)
5
()hx x
=
Page 6
13.
Which equation best describes the graph?
A)
x
4y=
B)
–x
–4y=
C)
x
–4y=
D)
–x
4y=
14.
For the functions
5
6
()fx x
=
and
8
6
()gx x
=
, when x < 0, then
A)
f(x) > g(x)
B)
f(x) = g(x)
C)
f(x) < g(x)
D)
Unable to determine
15.
The functions
7
1
()fx x
=
and
7
1
()gx x
−
=
, are, in relation to each other:
Select all that apply.
A)
Symmetrical about the vertical axis.
B)
Symmetrical about the horizontal axis.
C)
Symmetrical about the origin.
D)
No symmetry
16.
The functions
4
1
()fx x
=
and
4
1
()gx x
−
=
, are, in relation to each other:
Select all that apply.
A)
Symmetrical about the vertical axis.
B)
Symmetrical about the horizontal axis.
C)
Symmetrical about the origin.
D)
No symmetry
Page 7
17.
The functions
7
5
()fx x
=
and
7
5
()gx x
−
=
, are:
Select all that apply.
A)
( ) ( )f x f x=−
B)
( ) ( )f x f x=−
C)
( ) ( )f x f x− = −
D)
None of the above
18.
The functions
4
8
()fx x
=
and
4
8
()gx x
−
=
, are:
Select all that apply.
A)
( ) ( )f x f x=−
B)
( ) ( )f x f x=−
C)
( ) ( )f x f x− = −
D)
None of the above
Page 8
Answer Key