Deck 6: Power, Polynomial, and Rational Functions
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Deck 6: Power, Polynomial, and Rational Functions
1
If
and
, find
.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)


2
Use the table below to find . 
A) -27
B) -1
C) -36
D) -12
E) 12

A) -27
B) -1
C) -36
D) -12
E) 12
12
3
If the rational function
has the vertical asymptote
, then as
,
also.




False
4
If
and
, find
.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)

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5
For values of
, the function
grows faster than the function
.



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6
Use the graph below to find
. 
A) -2
B) 73
C) -0.6
D) -3212
E) -44


A) -2
B) 73
C) -0.6
D) -3212
E) -44
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7
Use the table below to find . 
A) -39
B)
C)
D) -380
E)

A) -39
B)

C)

D) -380
E)

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8
If
and
, find the domain of
.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)

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9
Use the graph below to find
. 
A) 232
B) 316.0
C) 84
D) 2
E) 2.8


A) 232
B) 316.0
C) 84
D) 2
E) 2.8
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10
If
and
, find the domain of
.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)

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11
Use the table below to find . 
A) -16
B) 24
C) 10
D) -6
E) -2

A) -16
B) 24
C) 10
D) -6
E) -2
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12
If
and
, find
.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)

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13
If
and
, find
.
A) Undefined
B)
C)
D)
E)



A) Undefined
B)

C)

D)

E)

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14
Use the graph below to find
. 
A) -42
B) 83
C) -2
D) 41
E) -1


A) -42
B) 83
C) -2
D) 41
E) -1
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15
If
and
, find
.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)

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16
The graph of
is similar to the graph of
.


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17
Use the graph below to find an approximation of
. 
A) -8
B) 63
C) -2
D) 71
E) 79


A) -8
B) 63
C) -2
D) 71
E) 79
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18
If
and
, find the domain of
.
A)
B) 0
C)
D)
E)



A)

B) 0
C)

D)

E)

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19
The function
exhibits the following end behavior:
and
.



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20
Use the table below to find . 
A) -117
B) 54
C) 162
D) -3
E) 15

A) -117
B) 54
C) 162
D) -3
E) 15
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21
The mouse population in a small desert area is modeled by the function
where
is measured in days. When is the maximum population attained and what is the maximum population?
A) After 175 days, the mouse population is 0.
B) After 9 days, the mouse population is 1,310.
C) After 84 days, the mouse population is 1,310.
D) After 84 days, the mouse population is 7,005.
E) After 9 days, the mouse population is 2,485.


A) After 175 days, the mouse population is 0.
B) After 9 days, the mouse population is 1,310.
C) After 84 days, the mouse population is 1,310.
D) After 84 days, the mouse population is 7,005.
E) After 9 days, the mouse population is 2,485.
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22
Which one of the following graphs represents the function
?
A)
B)
C) None of these options
D)
E)

A)

B)

C) None of these options
D)

E)

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23
Let
and
. Find
.
A)
B) -4
C) -14
D) 30
E) -176



A)

B) -4
C) -14
D) 30
E) -176
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24
Suppose that
is directly proportional to the 5th power of
. Which one of the following equations expresses this proportionality? .
A)
B)
C)
D)
E)


A)

B)

C)

D)

E)

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25
Suppose that
is directly proportional to the 4th power of
. If it is known that
when
, find the proportionality constant. Round to the nearest hundredth.
A)
B)
C)
D)
E)




A)

B)

C)

D)

E)

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26
The stopping distance
of a car after the brakes have been applied is directly proportional to the square of the speed
. The stopping distance of a car on dry asphalt is given by the function
, where
is measured in mi/h. Which one of the following is the inverse function of
?
A)
B)
C)
D)
E)





A)

B)

C)

D)

E)

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27
The area of a circle with radius
is given by the power function
. What happens to the area of the circle when the radius is multiplied by 3?
A) The area increases by a factor of 9.
B) The area is also multiplied by 3.
C) The area increases by
.
D) Not enough information.
E) The area increases by
.


A) The area increases by a factor of 9.
B) The area is also multiplied by 3.
C) The area increases by

D) Not enough information.
E) The area increases by

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28
Determine the end behavior of the function
.
A) As
and as
.
B) As
and as
.
C) As
and as
.
D) As
and as
.
E) As
and as
.

A) As


B) As


C) As


D) As


E) As


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29
Suppose that
is directly proportional to the 6th root of
. Which one of the following equations expresses this proportionality?
A)
B)
C)
D)
E)


A)

B)

C)

D)

E)

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30
Which one of the following graphs represents the function
?
A)
B)
C)
D)
E) None of these options

A)

B)

C)

D)

E) None of these options
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31
Suppose that
is directly proportional to the 5th root of
. If
when
, find the proportionality constant. Round to the nearest hundredth.
A)
B)
C)
D)
E)




A)

B)

C)

D)

E)

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32
Let
and
. Find
.
A) -4
B) -14
C)
D) -1
E) 45



A) -4
B) -14
C)

D) -1
E) 45
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33
Which one of the following graphs represents the function
?
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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34
Which one of the following is the graph of
?
A)
B)
C) None of these options
D)
E)

A)

B)

C) None of these options
D)

E)

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35
Let
and
. Find
.
A)
B) 4
C)
D) 12
E) -8



A)

B) 4
C)

D) 12
E) -8
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36
Which one of the following is the graph of
.
A)
B) None of these options
C)
D)
E)

A)

B) None of these options
C)

D)

E)

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37
Which one of the following is a graph of the function
?
A)
B)
C) None of these options
D)
E)

A)

B)

C) None of these options
D)

E)

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38
Express the polynomial function
in complete factored form.
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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39
The power
of a jet of water from a fire hose that is 3 inches in diameter is directly proportional to the cube of the water velocity
. If the velocity is divided by 4, by what factor will the power decrease?
A)
B)
C) 64
D)
E) 4


A)

B)

C) 64
D)

E) 4
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40
The graphs of
and
are given below. Which one of the following is the graph of
? 
A)
B)
C)
D)
E)




A)

B)

C)

D)

E)

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41
The data in the table shows the temperature for a cup of coffee after it is poured into the cup. The initial temperature of the coffee is F. Which one of the following functions is the best model for this data? 
A)
B)
C) None of these options
D)
E)

A)

B)

C) None of these options
D)

E)

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42
The mouse population in a small desert area is modeled by the function
where
is measured in days. When will the mouse population disappear?
A) After 3 days
B) After 58 days
C) After 411 days
D) After 1320 days
E) After 11 days


A) After 3 days
B) After 58 days
C) After 411 days
D) After 1320 days
E) After 11 days
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43
The loudness
of a sound (measured in decibels dB) is inversely proportional to the square of the distance
from the source of the sound. Suppose a person who is 4 ft from a hair dryer experiences a sound level of 60 dB. How loud is the hair dryer for a person 7 ft away? Round to the nearest tenth.
A) 0.1 dB
B) 19.6 dB
C) 1.2 dB
D) 70.0 dB
E) 960.0 dB


A) 0.1 dB
B) 19.6 dB
C) 1.2 dB
D) 70.0 dB
E) 960.0 dB
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44
A cardboard box has a square base, with each edge of the base having length
inches, as shown in the figure. The volume of the box is determined by the function
. What is the domain of
in the context of this problem? 
A)
B)
C)
D)
E)




A)

B)

C)

D)

E)

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45
Suppose that
is inversely proportional to the square of
. If
when
, find the proportionality constant. Round to the nearest hundredth.
A)
B)
C)
D)
E)




A)

B)

C)

D)

E)

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46
Which one of the following is the equation of the horizontal asymptote for
?
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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47
Which one of the following is the equation of the vertical asymptote for
?
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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48
Find an appropriate model for the data provided in the table. Round to the nearest thousandth. 
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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49
Determine the end behavior of the function
.
A) As
and
.
B) As
and
.
C) As
and
.
D) As
and
.
E) As
and
.

A) As


B) As


C) As


D) As


E) As


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50
Suppose that
is inversely proportional to the square of
. Which one of the following is an equation that expresses this statement?
A)
B)
C)
D)
E)


A)

B)

C)

D)

E)

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51
Suppose that
is inversely proportional to the cube root of
. Which one of the following is an equation that expresses this statement?
A)
B)
C)
D)
E)


A)

B)

C)

D)

E)

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52
Which one of the following is the graph of
.
A)
B)
C) None of these options
D)
E)

A)

B)

C) None of these options
D)

E)

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53
Determine the end behavior of the function
.
A) As
and
.
B) As
and
.
C) As
and
.
D) As
and
.
E) As
and
.

A) As


B) As


C) As


D) As


E) As


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54
The loudness
of a sound (measured in decibels dB) is inversely proportional to the square of the distance
from the source of the sound. Suppose a person who is 3 ft from a hair dryer experiences a sound level of 75 dB. Find the proportionality constant and write the equation that expresses the inverse proportionality.
A)
B)
C)
D)
E)


A)

B)

C)

D)

E)

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55
Determine the end behavior of the function
as
.
A) As
.
B) As
.
C) As
.
D) As
.
E) As
.


A) As

B) As

C) As

D) As

E) As

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56
Determine the behavior of the function
as
.
A) As
,
.
B) As
,
.
C) As
,
.
D) As
,
.
E) As
,
.


A) As


B) As


C) As


D) As


E) As


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57
Which one of the following functions best models the data given in the table below. 
A) Exponential
B) Power
C) Quadratic
D) Linear
E) None of these options

A) Exponential
B) Power
C) Quadratic
D) Linear
E) None of these options
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58
Determine the end behavior of the function
.
A) As
and as
.
B) As
and as
.
C) As
and as
.
D) As
and as
.
E) As
and as
.

A) As


B) As


C) As


D) As


E) As


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59
Suppose that
is inversely proportional to the cube root of
. If
when
, find the proportionality constant. Round to the nearest hundredth.
A)
B)
C)
D)
E)




A)

B)

C)

D)

E)

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60
Which one of the following is the graph of
?
A)
B)
C) None of these options
D)
E)

A)

B)

C) None of these options
D)

E)

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61
Find the equation(s) of the vertical asymptote(s) of
.
A)

B)
and

C)

D)
and

E)
and


A)


B)




C)


D)




E)




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62
The graph of a rational function is given. Determine the equation(s) of the vertical asymptote(s). 
A)
and

B)
C)
D)
and

E) There are no vertical asymptotes.

A)




B)

C)

D)




E) There are no vertical asymptotes.
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63
Determine the end behavior of
.
A) As
and as
.
B) As
and as
.
C) As
and as
.
D) As
and as
.
E) As
and as
.

A) As


B) As




C) As



D) As


E) As



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64
Find the equation of the horizontal asymptote of
.
A)

B)
3
C)

D)

E)


A)


B)

C)


D)


E)


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65
Find the equation of the horizontal asymptote for
.
A)

B)

C)
D)

E)


A)


B)


C)

D)


E)


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66
The function
is graphed below. Determine the x - and y -intercepts. 
A) The x -intercept is
; the y -intercept is
.
B) There are no x -intercepts; the y -intercept is (0,
).
C) There are no x -intercepts; there is no y -intercept.
D) The x -intercept is (0,
); there is no y -intercept.
E) The x -intercepts are (0,
) and (0,
); the y -intercept is (0,
).


A) The x -intercept is


B) There are no x -intercepts; the y -intercept is (0,

C) There are no x -intercepts; there is no y -intercept.
D) The x -intercept is (0,

E) The x -intercepts are (0,



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67
Determine the behavior of
as
.
A) As
.
B) As
.
C) As
.
D) As
.
E) As
.


A) As

B) As

C) As

D) As

E) As

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68
Find the x -intercept(s) of
.
A) (
, 0)
B) (
, 0)
C)
D) (
, 0)
E) (
, 0)

A) (

B) (

C)

D) (

E) (

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69
Find the y -intercept of
.
A) (0,
)
B)
C) (0,
)
D) (0,
)
E) (0,
)

A) (0,

B)

C) (0,

D) (0,

E) (0,

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70
Suppose a rocket is fired upward from the surface of the earth with an initial velocity
(measured in m/s). Then the maximum height
(in meters) reached by the rocket is given by the function
where the radius of the earth
is
meters and the acceleration due to gravity
is 9.8
. If the initial velocity of the rocket is 9100 m/s, what is the maximum height reached by the rocket?
A)
meters
B) 5.26e+14 meters
C) -7.86e+07 meters
D) 1.26e+07 meters
E) 6.35 meters







A)

B) 5.26e+14 meters
C) -7.86e+07 meters
D) 1.26e+07 meters
E) 6.35 meters
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71
Find the equation of the vertical asymptote for
.
A)
B)
C)

D)

E)

A)

B)

C)


D)


E)

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