Question: An object shot into the air from a postion on the edge of a cliff next to the sea moves so that its height above

An object shot into the air from a postion on the edge of a cliff next to the sea moves so that its height above sea level at time t seconds is given by the formula s(t)= -16t^2+80t+96, where s is measured in feet. Find:

a, When does it reach its highest point?

b, How high does it go?

c, What is the average velocity for t between t=1 and t=4?

d, How fast is it going at t=3?

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