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Algebra
Pregunta

3. A ball is thrown vertically upward from the top...

3. A ball is thrown vertically upward from the top of a cliff. The height of the ball is modelled by the function \( h ( t ) = 65 + 10 t - 5 t ^ { 2 } \) , where \( h ( t ) \) is the height in metres and \( t \) is time in seconds. Determine when the ball reaches its maximum height.

Answer

(1,70)

Solución
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