1.
If
y
varies inversely as
x
and
y
= 3 when
x
= 3, find
y
when
x
= 4.
A.
1
B.
2.25
C.
3.5
D.
4
Hint
2.
If
p
varies inversely as
q
and
p
= -8 when
q
= 2, find
p
when
q
= -4.
A.
4
B.
16
C.
-4
D.
-16
Hint
3.
Simplify
A.
B.
C.
1
D.
Hint
4.
Solve
A.
-3 <
y
< 1
B.
y
< -3 or 0 <
y
< 1
C.
-3 <
y
< 0 or
y
> 1
D.
y
< -3
Hint
5.
Assuming that
, determine whether
is
sometimes
,
always
, or
never
true.
A.
always
B.
never
C.
sometimes
D.
cannot be determined from given information
Hint
6.
Which of the following is the LCM of
.
A.
66
s
4
q
2
B.
66
s
4
t
2
q
2
C.
33
s
4
t
2
q
2
D.
33
s
4
q
2
Hint
7.
What is the LCM of
and
.
A.
(
r
– 1)
2
(
r
+ 3)(
r
+ 9)
B.
r
(
r
– 1)(
r
+ 3)(
r
+ 9)
C.
r
(
r
– 1)
2
(
r
+ 3)(
r
+ 9)
D.
(
r
– 1)(
r
+ 3)(
r
+ 9)
Hint
8.
What is the equation of the vertical asymptote of the function
?
A.
x
= 5
B.
x
= –4
C.
x
= 4
D.
There is a hole at 4, not a vertical asymptote.
Hint
9.
What is the equation of the vertical asymptote in the figure?
A.
x
= 0
B.
x
=
C.
y
= 0
D.
x
= 3
Hint
10.
Which function does not have a value of 1 when
x
= 1?
A.
B.
C.
D.
Hint
11.
Which type of function looks like a direct variation function when
x
> 0?
A.
square root function
B.
absolute value function
C.
quadratic function
D.
rational function
Hint
12.
Suppose that Pam could build a house in
months and Jerry could build a house in
months. If they work together, how long would it take them to build the house?
A.
5 months
B.
months
C.
months
D.
10 months
Hint