Question #340451

A Pumpkin gets launched into the air from a cliff above a pond. The following equation represents the height of the pumpkin from the pond, h(t)=−16t2+56t+32where t is time in seconds.  What is the maximum height the pumpkin reaches?

1
Expert's answer
2022-05-13T11:43:04-0400

h(t)=16t2+56t+32h(t)=-16t^2+56t+32

h(t)=32t+56=0h'(t)=-32t+56=0

t=56/32=1.75t=56/32=1.75

h(t)=32<0h''(t)=-32<0

So it is maximum

h(t)=16(1.752)+56(1.75)+32=81h(t)=-16(1.75^2)+56(1.75)+32=81


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