Introduction to Functions Answers

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Jillian walked 0.5 miles before she started jogging at an average pace of 5 miles per hour. The equation d = 0.5 + 5t can be used to relate the total distance, d, in miles to the time, t, that Jillian spent jogging. What are the independent and dependent variables?

A
The independent variable is distance and the dependent variable is time.
B
The independent variable is time and the dependent variable is distance.
C
The independent variable is distance and the dependent variable is speed.
D
The independent variable is speed and the dependent variable is distance.
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The range is [___].

A
all real numbers
B
all real numbers greater than or equal to –2
C
{x: x = –2, –1, 0, 1, 2}
D
{y: y = –2, –1, 0, 1, 2}

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