1.
What is the equation of the vertical asymptote of the function
?
A.
x
= 2
B.
y
= 1
C.
x
= -4
D.
x
= 1
Hint
2.
Simplify
.
A.
B.
C.
D.
Hint
3.
Simplify
.
A.
B.
C.
D.
Hint
4.
For what value(s) of
x
is
undefined?
A.
6
B.
6, 7
C.
–1
D.
7, –1
Hint
5.
Simplify the expression
.
A.
B.
C.
D.
Hint
6.
The function
has which of the following properties?
A.
It has a hole at (3, 0).
B.
It has a hole at (3, 1).
C.
f(x) = 1 for all values of
x
.
D.
f(x) = 0 for all values of
x
.
Hint
7.
Suppose
r
varies jointly with
p
and
q
. If
p
increases and
q
decreases, what will happen to
r
?
A.
Cannot be determined from given information.
B.
It decreases.
C.
It stays the same.
D.
It increases.
Hint
8.
Suppose
x
varies directly with
y
. If
y
increases by a factor of 2, what will happen to
x
?
A.
It will decrease by a factor of 4.
B.
It will increase by a factor of 4.
C.
It will decrease by a factor of 2.
D.
It will increase by a factor of 2.
Hint
9.
Which of the following is a rational function?
A.
B.
C.
D.
Hint
10.
Which of the following types of functions is always continuous on its domain?
A.
greatest integer
B.
inverse variation
C.
rational
D.
square root
Hint
11.
Solve
. Check your solution.
A.
–4
B.
6 and –2
C.
–2
D.
6
Hint
12.
Solve
.
A.
x
<
B.
x
>
C.
0 <
x
<
D.
–
<
x
<
Hint