Question

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Gianna Is going to throw a ball from the top floor of her school. When she throws the ball from 192 feet above the ground, the fraction h(t)=-16t^2+16t+192 models the height, H, of the ball above the ground as a function of time, tea. When will the ball hit the ground? Write your answer in complete sentences and make sure to write the units

Answer 1

Answer:t1=o

t2=2

Step-by-step explanation:

We know that the function  models the height  "h" of the ball above the ground as a function of time "t".

Then, to find the times in which the ball will be 48 feet above the ground, we need to substitute  into the function and solve fot "t":

Step-by-step explanation:

Answer 2

Answer:

t1=o

t2=2

Step-by-step explanation:

We know that the function  models the height  "h" of the ball above the ground as a function of time "t".

Then, to find the times in which the ball will be 48 feet above the ground, we need to substitute  into the function and solve fot "t":