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May Flight of a Rocket. Suppose the altitude (in metres) of a rocket t seconds into flight is given by f(t) = -2+3+ 33+2 -

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May

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Flight of a Rocket. Suppose the altitude (in metres) of a rocket t seconds into flight is given by f(t) = -2+3+ 33+2 - 144t + 72 The interval where f(t) is concave up is O (-00, 00) 11 O ( 3 , 8 ) O none of the other answers O ( -00, 3) U (8, 0) Submit

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