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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 -

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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 + 96 The interval where f(t) is concave up is O ( -0o, 11 2 O ( 3, 8) O 11 O none of the other answers O (-00, 00 ) O ( -00, 3) U (8, 00 )

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