The velocity, in kilometres per hour, of a car as it begins to slow down is given by the equation v(t) = 90- 30In(3t+1), where t is in seconds. a. What is the velocity of the car as the driver begins to brake? b. What is the acceleration of the car? c. What is the acceleration at t = 2?

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
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Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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The velocity, in kilometres per hour, of a car
as it begins to slow down is given by the
equation v(t) = 90- 30In(3t+1), where
t is in seconds.
a. What is the velocity of the car as the driver
begins to brake?
b. What is the acceleration of the car?
c. What is the acceleration at t = 2?
d. How long does the car take to stop?

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