Mathematics, 23.09.2019 17:30 owo73

The table below shows the distance d(t) in feet that an object travels in t seconds.
t d(t)
(second) (feet)
1 15
2 60
3 135
4 240
what is the average rate of change of d(t) between 2 seconds and 4 seconds and what does it represent?
a) 50 m/s; it represents the average speed of the object between 2 seconds and 4 seconds
b) 90 m/s; it represents the average speed of the object between 2 seconds and 4 seconds
c) 90 m/s; it represents the average distance traveled by the object between 2 seconds and 4 seconds
d) 50 m/s; it represents the average distance traveled by the object between 2 seconds

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