Rachel is a stunt driver, and she's escaping from a building that is about to explode! DDD represents Rachel's remaining distanc
e (in meters) as a function of time ttt (in seconds). D=-38t+220D=−38t+220D, equals, minus, 38, t, plus, 220 What is Rachel's speed?
1 answer:
Answer:
38 m/s
Step-by-step explanation:
We are given that
D represent Rachel's remaining distance( in meters ) as a function of time is given by

We have to find the Rachel's speed.
We know that

Substitute the values then we get



Hence, the Rachel's speed is given by =38 m/s
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