1.
Suppose
p
varies jointly as
r
and
t
. If
p
= 1 when
r
= -5 and
t
= 2, find
t
when
p
= 6 and
r
= 12.
A.
-7.2
B.
-5.4
C.
-5
D.
-6.4
Hint
2.
Simplify
A.
B.
C.
D.
Hint
3.
Find
A.
x
2
- 5
x
+ 6
B.
x
- 2
C.
D.
Hint
4.
Simplify
.
A.
B.
C.
D.
Hint
5.
Which of the following is the LCM of
.
A.
66
s
4
q
2
B.
33
s
4
t
2
q
2
C.
33
s
4
q
2
D.
66
s
4
t
2
q
2
Hint
6.
What is the equation of the vertical asymptote in the figure?
A.
x
= 0
B.
y
= 0
C.
x
= 3
D.
x
=
Hint
7.
Which of the following functions has a hole
and
a vertical asymptote?
A.
B.
C.
D.
Hint
8.
Suppose
x
varies directly with
y
. If
y
increases by a factor of 2, what will happen to
x
?
A.
It will increase by a factor of 2.
B.
It will decrease by a factor of 2.
C.
It will decrease by a factor of 4.
D.
It will increase by a factor of 4.
Hint
9.
Which of the following types of functions is always continuous on its domain?
A.
inverse variation
B.
rational
C.
greatest integer
D.
square root
Hint
10.
Which function does not have a value of 1 when
x
= 1?
A.
B.
C.
D.
Hint
11.
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.
months
B.
10 months
C.
5 months
D.
months
Hint
12.
Solve
. Check your solution.
A.
–2
B.
6 and –2
C.
–4
D.
6
Hint