Deck 31: Equations of Change Graphical Solutions
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Deck 31: Equations of Change Graphical Solutions
1
Find the equilibrium solutions of the equation of change
.Round your answer to two decimal places, if necessary.
A)
and 
B)
and 
C)
and 
D)
and 

A)


B)


C)


D)




2
Find the equilibrium solutions of the equation of change
.
A)
and 
B)
and 
C)
and 
D)
and 

A)


B)


C)


D)




3
Find the equilibrium solution of the equation of change
.
A) 
B)
C) 
D) 

A)

B)

C)

D)


4
The carrying capacity is an equilibrium solution for the equation of change for logistic growth.
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5
When
is negative, the function
is also negative.


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6
Equilibrium or steady-state solutions for an equation of change are solutions that remain constant.
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7
Find the equilibrium solutions of the equation of change
.
A)
and 
B)
and 
C)
and 
D)
and 

A)


B)


C)


D)


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8
Find the equilibrium solution of the equation of change
.Round your answer to two decimal places.
A) 
B) 
C) 
D)

A)

B)

C)

D)

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9
Find the equilibrium solution of the equation of change
.
A)
B) 
C) 
D) 

A)

B)

C)

D)

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10
Find the equilibrium solutions of the equation of change
.Round your answers to two decimal places, if necessary.
A)
and 
B)
and 
C)
and 
D)
and 

A)


B)


C)


D)


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11
Find the equilibrium solutions of the equation of change
.Round your answer to two decimal places, if necessary.
A)
and 
B)
and 
C)
and 
D)
and 

A)


B)


C)


D)


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12
Find the equilibrium solution of the equation of change
.
A) 
B) 
C) 
D) 

A)

B)

C)

D)

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13
At the maximum value, a peak, for a function
, the rate of change
is 0.


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14
Find the equilibrium solution of the equation of change
.Consider only positive values of x.Round your answer to two decimal places, if nessary.
A)
B)
C)
D) 

A)

B)

C)

D)

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15
At the minimum value, a valley, for a function
, the rate of change
is 0.


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16
Find the equilibrium solution of the equation of change
.Round your answer to two decimal places, if nessary.
A)
B)
C)
D)

A)

B)

C)

D)

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17
Find the equilibrium solution of the equation of change
.Consider only positive values of x.
A)
B)
C)
D)

A)

B)

C)

D)

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18
The function
satisfies the equation of change
.For what values of f is the graph of f versus x increasing? Round your answer to two decimal places.
A)
B)
C)
D)


A)

B)

C)

D)

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19
When
is positive, the function
is increasing.


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20
Equilibrium or steady-state solutions for an equation of change occur where the rate of change is 0.
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21
Consider the equation of change
.What can you say about the graph of f versus x when
?
A) The graph is increasing.
B) The graph is decreasing.
C) The graph reaches a maximum.
D) The graph reaches a minimum.


A) The graph is increasing.
B) The graph is decreasing.
C) The graph reaches a maximum.
D) The graph reaches a minimum.
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22
The weight w of a certain animal satisfies an equation of change.At a specific weight, the equation of change indicates that
is positive.What can you conclude about how the animal's weight can be expected to change?
A) The weight will stay the same.
B) The animal will gain weight.
C) The animal will lose weight.
D) The weight is at a minimum value.

A) The weight will stay the same.
B) The animal will gain weight.
C) The animal will lose weight.
D) The weight is at a minimum value.
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23
The amount L, in liters, of liquid remaining in a tank after t hours satisfies the equation of change
.How much liquid is in the tank after a long time?
A) 6 liters
B) 42 liters
C) 1.17 liters
D) 7 liters

A) 6 liters
B) 42 liters
C) 1.17 liters
D) 7 liters
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24
The weight w, in pounds of a certain animal at age t years satisfies the equation of change
.At what weight is the animal growing the fastest? Round your answer to two decimal places.
A) 0.47 pounds
B) 2.13 pounds
C) 1.06 pounds
D) None of the above

A) 0.47 pounds
B) 2.13 pounds
C) 1.06 pounds
D) None of the above
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25
The function
satisfies the equation of change
.For what values of f is the graph of f versus x increasing? Round your answer to two decimal places, if necessary.
A)
B)
C) 
D)


A)

B)

C)

D)

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26
A certain population grows according to
.At a certain time the population is 698 individuals.What can be said about the population at this time?
A) The population is increasing.
B) The population is decreasing.
C) The population has reached a maximum value.
D) The population has reached a minimum value.

A) The population is increasing.
B) The population is decreasing.
C) The population has reached a maximum value.
D) The population has reached a minimum value.
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27
If
is an equilibrium solution of an equation of change involving
, what is the value of
when
?
A) 0
B) 5
C) -5
D) None of the above




A) 0
B) 5
C) -5
D) None of the above
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28
A certain population grows according to
.What is the carrying capacity of the environment for this particular population? Round your answer to two decimal places, if necessary.
A) 351
B) 0.03
C) 11
D) 11,700

A) 351
B) 0.03
C) 11
D) 11,700
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29
The function
satisfies the equation of change
.For what values of f is the graph of f versus x increasing?
A)
B)
C)
D)


A)

B)

C)

D)

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30
The weight w of a certain animal satisfies an equation of change.At a specific weight, the equation of change indicates that
is negative.What can you conclude about how the animal's weight can be expected to change?
A) The weight will stay the same.
B) The animal will gain weight.
C) The animal will lose weight.
D) The weight is at a maximum value.

A) The weight will stay the same.
B) The animal will gain weight.
C) The animal will lose weight.
D) The weight is at a maximum value.
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31
The amount L, in liters, of liquid remaining in a tank after t hours satisfies the equation of change
.What is happening to the liquid in the tank when there are 53 liters present?
A) The amount of liquid is at a minimum.
B) The amount of liquid in increasing.
C) The amount of liquid is deceasing.
D) The amount of liquid is at a maximum.

A) The amount of liquid is at a minimum.
B) The amount of liquid in increasing.
C) The amount of liquid is deceasing.
D) The amount of liquid is at a maximum.
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32
The function
satisfies the equation of change
.For what values of f is the graph of f versus x decreasing?
A)
B)
C)
D)


A)

B)

C)

D)

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33
Consider the equation of change
.What can you say about the graph of f versus x when
?
A) The graph is increasing.
B) The graph is decreasing.
C) The graph reaches a maximum.
D) The graph reaches a minimum.


A) The graph is increasing.
B) The graph is decreasing.
C) The graph reaches a maximum.
D) The graph reaches a minimum.
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34
The function
satisfies the equation of change
.For what value of f is f increasing at the fastest rate?
A)
B)
C)
D)


A)

B)

C)

D)

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35
The amount L, in liters, of liquid remaining in a tank after t hours satisfies the equation of change
.What is happening to the liquid in the tank when there are 31 liters present?
A) The amount of liquid is at a minimum.
B) The amount of liquid in increasing.
C) The amount of liquid is deceasing.
D) The amount of liquid is at a maximum.

A) The amount of liquid is at a minimum.
B) The amount of liquid in increasing.
C) The amount of liquid is deceasing.
D) The amount of liquid is at a maximum.
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36
A certain population grows according to an equation of change.What can be said of population growth when the population level is at a steady state solution of the equation of change?
A) The population is stable--neither increasing nor decreasing.
B) The population is increasing.
C) The population is decreasing.
D) There is not sufficient information to determine how population grows.
A) The population is stable--neither increasing nor decreasing.
B) The population is increasing.
C) The population is decreasing.
D) There is not sufficient information to determine how population grows.
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37
The weight w, in pounds, of a certain animal at age t years satisfies the equation of change
.For what values of the weight w is the animal losing weight? Round your answer to two decimal places.
A)
pounds
B)
pounds
C) 2.90 pounds
D) None of the above

A)

B)

C) 2.90 pounds
D) None of the above
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38
A certain population grows according to
.At a certain time the population is 1,140 individuals.What can be said about the population at this time?
A) The population is increasing.
B) The population is decreasing.
C) The population has reached a maximum value.
D) The population has reached a minimum value.

A) The population is increasing.
B) The population is decreasing.
C) The population has reached a maximum value.
D) The population has reached a minimum value.
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39
The function
satisfies the equation of change
.For what value of f is f increasing at the fastest rate? Round your answer to two decimal places, if necessary.
A) 
B) 
C)
D) 


A)

B)

C)

D)

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