(10 points) A diver jumps from a diving platform her height h in meters that she isabove the water after t seconds is modeled by the equation h =-4.9t2 +12.8t +8.How long will it be before she hits the water? (Round to 2 decimal places).

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Answered: (10 points) A diver jumps fr above the…

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(10 points) A diver jumps fr above the water after t seco How long will it be before s

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter9: Quadratic Functions And Equations

Section9.4: Solving Quadratic Equations By Factoring

Problem 63PFA

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(10 points) A diver jumps from a diving platform her height h in meters that she is
above the water after t seconds is modeled by the equation h =-4.9t2 +12.8t +8.
How long will it be before she hits the water? (Round to 2 decimal places).

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Solve, rounding answers to the nearest tenth. The quadratic function h(x)=16t2+128t+32 is used to find the height of a stone thrown upward from a height of 32 feet at a rate of 128 ft/sec. How long will it take for the stone to reach its maximum height? What is the maximum height?

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