1.
What is the graph of
?
A.
B.
C.
D.
Hint
2.
If
w
varies directly as
z
and
w
= 9 when
z
= -6, find
w
when
z
= 3.
A.
-2
B.
0
C.
-4.5
D.
4.5
Hint
3.
If
y
varies inversely as
x
and
y
= 3 when
x
= 3, find
y
when
x
= 4.
A.
1
B.
3.5
C.
4
D.
2.25
Hint
4.
Simplify
A.
B.
C.
1
D.
Hint
5.
Simplify
.
A.
B.
C.
D.
Hint
6.
Solve
A.
0
B.
1, 4
C.
-1, 4
D.
-1
Hint
7.
Simplify
.
A.
B.
C.
D.
Hint
8.
Find the slope of the line that passes through A
and B
.
A.
B.
C.
D.
Hint
9.
Write the equation(s) of the vertical asymptote(s) of the function
.
A.
x
= –3,
x
= –5
B.
x
= 3,
x
= –5
C.
x
= –5
D.
x
= 3
Hint
10.
Which of the following is a rational function?
A.
B.
C.
D.
Hint
11.
Which function does not have a value of 1 when
x
= 1?
A.
B.
C.
D.
Hint
12.
Solve
. Check your solution.
A.
–2
B.
–4
C.
6
D.
6 and –2
Hint