A rocket is launched into the air. Its height h in metres as a function of time t in seconds is described by the function h(t) = 1.425.1t - 4.9t². Find the maximum height of the rocket. Give your answer in metres correct to 3 significant figures. [Answer format: 00.0 m]

A rocket is launched into the air. Its height h in metres as a function of time t in seconds is described by the function h(t) = 1.425.1t - 4.9t². Find the maximum height of the rocket. Give your answer in metres correct to 3 significant figures. [Answer format: 00.0 m]

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 159E: A bullet is fired straight up from a BB gun with initial velocity 1120 feet per second at an initial...

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A rocket is launched into the air. Its height h in metres as a function of time t in
seconds is described by the function
h(t) = 1.425.1t - 4.9t².
Find the maximum height of the rocket.
Give your answer in metres correct to 3 significant figures.
[Answer format: 00.0 m]

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