Chapter3: Functions
Section3.3: Rates Of Change And Behavior Of Graphs
Problem 45SE: A driver of a car stopped at a gas station to fill up his gas tank. He looked at his watch, and the...
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Estimate the instantaneous velocity (in ft/s) of the pebble after 4 seconds.
Transcribed Image Text:The deck of a bridge is suspended 285 feet above a river. If a pebble falls off the side of the bridge, the height, in feet, of the pebble
above the water surface after t seconds is given by y = 285 – 16t2.
(a) Find the average velocity (in ft/s) of the pebble for the time period beginning whent = 4 and lasting the following amount of time.
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