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5. After t seconds, a ball tossed in the air from the ground level reaches a height
of h feet given by the function h(t) = 144t – 16t^2. PART A: What is the height of
the ball after 3 seconds? PART B: After how many seconds will the ball hit the
ground before rebound? -

Sagot :

dkantor25

Answer:

a = 288 feet, b = 9 seconds

Step-by-step explanation:

t = 3, solve for h(t)

h(3) = 144(3)-16(3)^2

=432-144

=288

H(t) = 0, solve for t

0=144(t)-16(t)^2

t = 0, t =9

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