A model rocket is launched vertically from a platform 64 feet above the ground. The height the rocket reaches during the flight

Question

A model rocket is launched vertically from a platform 64 feet above the ground. The height the rocket reaches during the flight is modeled by the equation
: s(t) = −16t² + 48t + 64 
s is the height of the rocket and t is the time in seconds since the launch. After how many seconds will the rocket hit the ground?
 3 
2
 4
1

Kunduz · Accepted Answer

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