Unit Test — Unit test Answers
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How does the graph change from point G to point K?
A
The graph increases.B
The graph decreases, then increases.C
The graph remains constant.D
The graph increases, then decreases.22
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The graph below models the value of a $20,000 car t years after it was purchased. Value of CarWhich statement best describes why the value of the car is a function of the number of years since it was purchased?
A
Each car value, y, is associated with exactly one time, t.B
Each time, t, is associated with exactly one car value, y.C
The rate at which the car decreases in value is not constant.D
There is no time, t, at which the value of the car is 0.23
Lorraine writes the equation shown.She wants to describe the equation using the term relation and the term function.The equation represents
A
a relation and a functionB
a relation but not a functionC
a function but not a relationD
neither a relation nor a function24
A graph that has a finite or limited number of data points is
A
a discrete graph.B
a qualitative graph.C
a continuous graph.D
a cosmograph.25
Hal, Zelda, Maya, and Jason each recorded the height and age of five classmates. They used the data to create the tables below. In which student’s data can height be considered a function of age?
A
HalB
ZeldaC
MayaD
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