A rock is thrown upward from a bridge into a river below. The function f(t)=−16t2+44t+88 determines the height of the rock above the surface of the water (in feet) in terms of the number of seconds t since the rock was thrown.
What is the bridge's height above the water?
feet
How many seconds after being thrown does the rock hit the water?
seconds
How many seconds after being thrown does the rock reach its maximum height above the water?
seconds
What is the rock's maximum height above the water?
It is given that the function f(t) = -16t^{2}+44t+88 determines the height of the rock above the surface of water.
1.The height of the bridge above water is determined.
2.The time taken for the rock thrown to hit the water is computed.
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