Flight of a Model Rocket The height (in feet) attained by a rocket t sec into flight is given by the function 1,3 t3 + 14t2 + 29t + 18 3 (t > 0). h(t) - When is the rocket rising? (Round your answers to the nearest integer.) O (0, 14) (0, 29) (0, 44) (14, 29) (29, 44) When is it descending? (Round your answers to the nearest integer.) O (0, 14) (0, 29) (0, 44) (14, 29) (29, 44)

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