Deck 4: Section 3: Applications of Differentiation
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Deck 4: Section 3: Applications of Differentiation
1
Find the open interval(s) on which
is increasing or decreasing.
A) increasing on
decreasing on 
B) increasing on
decreasing on 
C) increasing on
decreasing on 
D) increasing on
decreasing on 
E) increasing on
decreasing on 

A) increasing on


B) increasing on


C) increasing on


D) increasing on


E) increasing on


increasing on
decreasing on 


2
A ball bearing is placed on an inclined plane and begins to roll. The angle of elevation of the plane is
radians. The distance (in meters) the ball bearing rolls in t seconds is
. Determine the value of
after one second. Round numerical values in your answer to one decimal place.
A)
B)
C)
D)
E)



A)

B)

C)

D)

E)


3
Find the relative extremum of
by applying the First Derivative Test.
A) relative minimum:
B) relative maximum:
C) relative minimum:
D) relative minimum:
E) relative maximum:

A) relative minimum:

B) relative maximum:

C) relative minimum:

D) relative minimum:

E) relative maximum:

relative maximum: 

4
Find the open interval(s) on which the function
is increasing in the interval
Round numerical values in your answer to three decimal places.
A) increasing on:
B) increasing on:
C) increasing on:
D) increasing on:
E) increasing on:


A) increasing on:

B) increasing on:

C) increasing on:

D) increasing on:

E) increasing on:

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5
The resistance R of a certain type of resistor is
where R is measured in ohms and the temperature T is measured in degrees Celsius. Use a computer algebra system to find 
A)
B)
C)
D)
E)


A)

B)

C)

D)

E)

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6
Identify the open intervals where the function
is increasing or decreasing.
A) decreasing:
; increasing: 
B) decreasing on
C) increasing:
; decreasing: 
D) increasing:
; decreasing: 
E) increasing:
; decreasing: 

A) decreasing:


B) decreasing on

C) increasing:


D) increasing:


E) increasing:


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7
A ball bearing is placed on an inclined plane and begins to roll. The angle of elevation of the plane is
radians. The distance (in meters) the ball bearing rolls in t seconds is
. Determine the speed of the ball bearing after t seconds.
A) speed:
meters per second
B) speed:
meters per second
C) speed:
meters per second
D) speed:
meters per second
E) speed:
meters per second


A) speed:

B) speed:

C) speed:

D) speed:

E) speed:

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8
Find the relative minima of
on the interval
by applying the First Derivative Test. Round numerical values in your answer to three decimal places.
A) relative minima:
B) relative minima:
C) relative minima:
D) relative minima:
E) relative minima:


A) relative minima:

B) relative minima:

C) relative minima:

D) relative minima:

E) relative minima:

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9
Find the relative maxima of
on the interval
by applying the First Derivative Test. Round numerical values in your answer to three decimal places.
A) relative maxima:
B) relative maxima:
C) relative maxima:
D) relative maxima:
E) relative maxima:


A) relative maxima:

B) relative maxima:

C) relative maxima:

D) relative maxima:

E) relative maxima:

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10
The resistance R of a certain type of resistor is
where R is measured in ohms and the temperature T is measured in degrees Celsius. Use a computer algebra system to find the critical number of the function. Round numerical values in your answer to the nearest whole number.
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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11
Find the open interval(s) on which the function
is increasing in the interval
Round numerical values in your answer to three decimal places.
A) increasing on:
B) increasing on:
C) increasing on:
D) increasing on:
E) increasing on:


A) increasing on:

B) increasing on:

C) increasing on:

D) increasing on:

E) increasing on:

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12
Identify the open intervals on which the function
is increasing or decreasing.
A) increasing on
decreasing on 
B) increasing on
decreasing on 
C) increasing on
decreasing on 
D) increasing on
decreasing on 
E) increasing on
decreasing on 

A) increasing on


B) increasing on


C) increasing on


D) increasing on


E) increasing on


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13
For the function
: (a) Find the critical numbers of f (if any);
(b) Find the open intervals where the function is increasing or decreasing; and
(c) Apply the First Derivative Test to identify all relative extrema.
Use a graphing utility to confirm your results.
A) (a)
(b) increasing:
; decreasing: 
(c) relative max:
B) (a)
(b) increasing:
; decreasing: 
(c) relative max:
C) (a)
(b) decreasing:
; increasing: 
(c) relative min:
D) (a)
(b) decreasing:
; increasing: 
(c) relative min:
; relative max: 
E) (a)
(b) decreasing:
; increasing: 
(c) relative min:

(b) Find the open intervals where the function is increasing or decreasing; and
(c) Apply the First Derivative Test to identify all relative extrema.
Use a graphing utility to confirm your results.
A) (a)

(b) increasing:


(c) relative max:

B) (a)

(b) increasing:


(c) relative max:

C) (a)

(b) decreasing:


(c) relative min:

D) (a)

(b) decreasing:


(c) relative min:


E) (a)

(b) decreasing:


(c) relative min:

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14
Identify the open intervals where the function
is increasing or decreasing.
A) decreasing on
B) increasing on
C)
D) decreasing on
; increasing on 
E)

A) decreasing on

B) increasing on

C)

D) decreasing on


E)

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15
Use the graph of the function
given below to estimate the open intervals on which the function is increasing or decreasing. 
A) increasing on
; decreasing on 
B) increasing on
; decreasing on 
C) increasing on
; decreasing on 
D) increasing on
; decreasing on 
E) increasing on
; decreasing on 


A) increasing on


B) increasing on


C) increasing on


D) increasing on


E) increasing on


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16
Find the critical number of the function
.
A)
B)
C)
D)
E)

A)

B)

C)

D)

E)

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17
For the function
: (a) Find the critical numbers of f (if any);
(b) Find the open intervals where the function is increasing or decreasing; and
(c) Apply the First Derivative Test to identify all relative extrema.
Then use a graphing utility to confirm your results.
A) (a) x = 0 ,
(b) increasing:
; decreasing: 
(c) relative max:
; relative min: 
B) (a) x = 0 ,
(b) decreasing:
; increasing: 
(c) relative min:
; relative max: 
C) (a) x = 0 ,
(b) increasing:
; decreasing: 
(c) relative max:
; no relative min.
D) (a) x = 0 ,
(b) increasing:
; decreasing: 
(c) relative max:
; relative min: 
E) (a) x = 0 ,
(b) decreasing:
; increasing: 
(c) relative min:
; relative max: 

(b) Find the open intervals where the function is increasing or decreasing; and
(c) Apply the First Derivative Test to identify all relative extrema.
Then use a graphing utility to confirm your results.
A) (a) x = 0 ,

(b) increasing:


(c) relative max:


B) (a) x = 0 ,

(b) decreasing:


(c) relative min:


C) (a) x = 0 ,

(b) increasing:


(c) relative max:

D) (a) x = 0 ,

(b) increasing:


(c) relative max:


E) (a) x = 0 ,

(b) decreasing:


(c) relative min:


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