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H(t)=-16t^2+128t+144 what is the hight of the object at 3seconds

H(t)=-16t^2+128t+144 what is the hight of the object at 3seconds
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H(t)=-16t^2+128t+144 what is the hight of the object at 3seconds

User Nihulus
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1 Answer

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h(t) = -16t² + 128t + 144
h(3) = -16(3)² + 128(3) + 144
h(3) = -16(9) + 384 + 144
h(3) = -144 + 384 + 144
h(3) = 240 + 144
h(3) = 384
User Inkredusk
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