1.
What is the equation of the vertical asymptote of the function
?
A.
y
= 1
B.
x
= 1
C.
x
= 2
D.
x
= -4
Hint
2.
What is the graph of
?
A.
B.
C.
D.
Hint
3.
The graph of
has a hole at which point?
A.
(4, -8)
B.
(4, 8)
C.
(-4, -8)
D.
(-4, 8)
Hint
4.
If the rational expression of a function in simplest form is defined for
x
=
a
, but the original function is undefined for
x
=
a
, what happens at
x
= a?
A.
There is a vertical asymptote at
x
= 0.
B.
There is a point discontinuity.
C.
There is a vertical asymptote at
x
=
a
.
D.
f
(
a
) = 0
Hint
5.
In a certain job, the function
represents the amount of hours worked
x
in relation to the amount of stress
f
(
x
) felt by the workers. For what values of
x
does this graph have meaning?
A.
for
and
x
> 40, because stress is a non-negative quantity
B.
for all values of
x
C.
for
and
x
< 40
D.
for
Hint