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Q 1/19
Score 0
30
Q 2/19
Score 0
30
19 questions
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1
30 sec
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2
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3
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4
30 sec
Q.
To reduce the average cost per hour, what should a customer do?
5
30 sec
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6
30 sec
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7
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8
30 sec
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9
30 sec
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10
30 sec
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11
30 sec
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12
30 sec
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13
30 sec
Q.
If a group wants to minimize the average cost per hour, what should they do?
14
30 sec
Q.
A construction company’s cost function C(x)= 15,000/x +500 represents the total cost (in pesos) of constructing x identical units. If the cost per unit decreases as x increases, what does this imply about the relationship between x and the average cost per unit?
15
30 sec
Q.
The function P(d)= 10,000/d +5 models the population density (in people per square kilometer) of a region as a function of distance d from the city center. If the function is evaluated at increasing values of d, what can be inferred about population density?
16
30 sec
Q.
The function T(t)= 800/t +2 models the time (in minutes) required for a team of t workers to complete a specific task. Which of the following best describes what happens as more workers are added?
17
30 sec
Q.
A project’s productivity rate R(t)= 600/t +4 (in tasks completed per day) is modeled by the time t in days since the project began. What does this function indicate about productivity as the project continues?
18
30 sec
Q.
The function S(h)= 8000/h +20 models the speed S (in liters per minute) of a filtration system in relation to hours h since it began operating. What does this function suggest about the system's speed as more hours pass?
