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1.
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For the upcoming open house, Mrs. Banks ordered 2 cookies for each parent
attending and a tray of 100 cookies for the sponsor’s waiting area. This relationship can
be expressed as
 , where x is the number of parents attending the
open house. Which is the dependent quantity in this functional relationship? a. | The number of trays ordered | c. | The number of parents
attending | b. | The number of cookies ordered | d. | The number of
sponsors |
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2.
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James has a new phone plan. He pays $39.99 per month and gets 200 free
minutes. He pays $0.25 for each minute over 200 that he uses. This relationship can be
expressed by as
 , where x is the number of minutes over the 200
free minutes that James gets per month, or his overage charge. Which is the dependent quantity
in this functional relationship? a. | The base fee of $39.99 per month | c. | The total cost of the plan
including late overage charges | b. | The number of free minutes per
month | d. | The number of minutes
over 200 that James uses in a month |
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3.
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The Good Wood Flooring Company charges customers $2.99 per square foot of
carpeting that they install. They also charge a $100 fee for delivery of materials. This
relationship can be expressed as
 , where x is the number of square foot of
carpeting to be installed. What is the independent quantity in this functional
relationship? a. | The number of men to do the job | c. | The $100 delivery
charge | b. | The number of feet of carpeting installed | d. | The charge per square foot of carpeting of
$2.99 |
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4.
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George charges a flat fee of $25 to cut an average size lawn. He also
charges $2.45 for every tank of gas that he uses in completing a lawn. This relationship can be
expressed as
 . What is the independent quantity in this
functional relationship? a. | The number of tanks of gasoline used | c. | The number of lawns he
cuts | b. | The total cost of the lawn cutting | d. | The base fee of $25 to cut the
lawn |
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5.
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The Shiny Car Restoration Company charges $1500 to completely repaint a
car. They also charge $75.00 per ding or scratch that needs to be repaired on the outside of a
car before they paint. This relationship can be expressed as
 , where x is the
number of dings that need to be repaired. What is the dependent quantity in this functional
relationship? a. | The number of dings or scratches | c. | The flat rate of $1500
| b. | The 75 charge per ding or scratch | d. | The total cost to get the car
fixed |
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