A ball is thrown into the air and will have a height in feet after t seconds whereh (t) = -5t2 + 40t . What will the velocity be after 3 seconds?75 ft/sec10 ft/sec90 ft/sec70 ft/sec

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Answered: h (t) = -5t² + 40t . What will the…

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h (t) = -5t² + 40t . What will the velocity be after 3 seconds? O 75 ft/sec O 10 ft/sec 90 ft/sec O 70 ft/sec

Elementary Algebra

17th Edition

ISBN:9780998625713

Author:Lynn Marecek, MaryAnne Anthony-Smith

Publisher:Lynn Marecek, MaryAnne Anthony-Smith

Chapter10: Quadratic Equations

Section10.4: Solve Applications Modeled By Quadratic Equations

Problem 10.84TI: A man throws a ball into the air with a velocity of 96 ft/sec. Use the formula h=16t2+v0t to...

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Question

A ball is thrown into the air and will have a height in feet after t seconds where
h (t) = -5t2 + 40t . What will the velocity be after 3 seconds?
75 ft/sec
10 ft/sec
90 ft/sec
70 ft/sec

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