H (t) = –16t 2 + 128t. What is the height of the javelin after 5 seconds?

1 answer:

Lena [83]3 years ago

3 0

H(t) = -16t^2 + 128t
h(5) = -16(5)^2 + 128(5)
h(5)= -16(25) + 640
h(5) = - 400 + 640
h (5) = 240

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