PLEASE HELP ASAP!!!! FULL ANSWER ONLY!!!

A person standing close to the edge on top of a 72-foot building throws a ball vertically upward. The quadratic function h = − 16 t^2 + 84 t + 72 models the ball's height above the ground, h , in feet, t seconds after it was thrown.

a) What is the maximum height of the ball? feet

b) How many seconds does it take until the ball hits the ground? seconds

Question

01-12-2022
Mathematics

Answered

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PLEASE HELP ASAP!!!! FULL ANSWER ONLY!!!

A person standing close to the edge on top of a 72-foot building throws a ball vertically upward. The quadratic function h = − 16 t^2 + 84 t + 72 models the ball's height above the ground, h , in feet, t seconds after it was thrown.

a) What is the maximum height of the ball? feet

b) How many seconds does it take until the ball hits the ground? seconds

Sagot :

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Sagot :

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