The height h, in feet, of a golf ball t seconds after it has been hit is given by the equation h = −16t2 + 62t. How many seconds after the ball is hit will the height of the ball be 42 feet? Round answers to nearest hundredth.

The height h, in feet, of a golf ball t seconds after it has been hit is given by the equation h = −16t2 + 62t. How many seconds after the ball is hit will the height of the ball be 42 feet? Round answers to nearest hundredth.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter9: Real Numbers And Right Triangles

Section9.1: Square Roots

Problem 63E

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Question

The height h, in feet, of a golf ball t seconds after it has been hit is given by the equation

h = −16t² + 62t.

How many seconds after the ball is hit will the height of the ball be 42 feet? Round answers to nearest hundredth.

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