The function h represents the height of an object t seconds after it is launched into the air. The function is defined by h(t) =

Question

The function h represents the height of an object t seconds after it is launched into the air. The function is defined by h(t) = -5t² + 20t+18. Height is measured in meters.
1) When will the object hit the ground? (round to the nearest hundredth)
seconds
2) At what 2 times does the object occupy a height of 33 meters?
seconds and  seconds
3) When does the object reach its maximum 
height? seconds
4) What is the maximum height that the
object reaches? meters

Kunduz · Accepted Answer

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