This Question: 1 pt
A baseball is hit so that its height in feet after t seconds is s(t) = - 4t"" + 20t+2.
(a) How high is the baseball after 1 second?
(b) Find the maximum height of the baseball.

Answer with Step-by-step explanation:

We are given that

Height of ball after t seconds is given by

a.Substitute the value of t=1

b.Differentiate w.r.t x

Again differentiate w.r.t t

Hence, the height is maximum at t=2.5 s

Maximum height of the baseball=27 ft

ci

step-by-step explanation:

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