If a ball is thrown straight up with a speed of 68 ft/s, its height at time t (in seconds) is given by h(t)=-8t²+68t+5. Use

Question

If a ball is thrown straight up with a speed of 68 ft/s, its height at time t (in
seconds) is given by h(t)=-8t²+68t+5. Use graphing technology to determine the following and round where appropriate.
a) What is the maximum height of the ball?
b) When does the ball reach its maximum height?
c) When does the ball hit the ground?

Kunduz · Accepted Answer

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