Practice with rate of change and linear functions. Speed of a Red Kangaroo
5001
450
400
-350
300
Distance Traveled (feet)
Red kangaroos can reach speeds up to 50 feet per
second. Use the linear graph at the left to answer the
questions.
What is the change in y-values from
Point A to Point B?
What is the change in x-values from
Point A to Point B?
What is the rate of change of the linear function?
feet per second
250
200
$150
100
B
A
50
8 9 10
Time (seconds)
Previous Activity

If the value of cos330°is√3/2 then find cos 165°.

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