pre calculous math quadratic form

timer Asked: May 25th, 2015

Question description

The height of a ball above the ground as a function of time is given by the function h(t)=-32t^2+8t+3 where h is the height of the ball in feet and t is

the time in seconds. 
a. When is the ball at a maximum height? (Round to three decimals if needed).
b.What is the maximum height of the ball? (Round to the nearest tenth if needed) 
c. When does the ball hit the ground? (Round to the nearest hundredth)
d. How high is the ball after 0.3 seconds?
e. When is the ball 2 feet above the ground? (Round to the nearest hundredth if needed). 
f. Explain the methods you used to find your answers.

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