A rock is thrown off of a 100 foot cliff with an upward velocity of 45 m/s. As a result its height after t seconds is given by the formula: h(t) = 100 + 45t – 5t2 - What is its height after 6 seconds? What is its velocity after 6 seconds? (Positive velocity means it is on the way up, negative velocity means it is on the way down.)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
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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A rock is thrown off of a 100 foot cliff with an upward velocity of 45 m/s. As a result its
height after t seconds is given by the formula:
h(t) = 100 + 45t – 5t2
What is its height after 6 seconds?
What is its velocity after 6 seconds?
(Positive velocity means it is on the way up, negative velocity means it is on the way
down.)
Transcribed Image Text:A rock is thrown off of a 100 foot cliff with an upward velocity of 45 m/s. As a result its height after t seconds is given by the formula: h(t) = 100 + 45t – 5t2 What is its height after 6 seconds? What is its velocity after 6 seconds? (Positive velocity means it is on the way up, negative velocity means it is on the way down.)
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