person standing close to the edge on top of a 40-foot building throws a ball vertically upward. The quadratic function h=−16t^2+72t+40 models the ball's height above the ground, hh, in feet, tt seconds after it was thrown. What is the maximum height of the ball? feet b) How many seconds does it take until the ball hits the ground? seconds
person standing close to the edge on top of a 40-foot building throws a ball vertically upward. The quadratic function h=−16t^2+72t+40 models the ball's height above the ground, hh, in feet, tt seconds after it was thrown. What is the maximum height of the ball? feet b) How many seconds does it take until the ball hits the ground? seconds
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.5: Solving Quadratic Equations By Completing The Square
Problem 27PPS
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A person standing close to the edge on top of a 40-foot building throws a ball vertically upward. The quadratic function h=−16t^2+72t+40 models the ball's height above the ground, hh, in feet, tt seconds after it was thrown.
What is the maximum height of the ball?
feet
b) How many seconds does it take until the ball hits the ground?
seconds
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