A model rocket is launched with an initial upward velocity of 57/ms . The rocket’s height h (in meters) after t seconds is given by the following. =h−57t5t2 Find all values of t for which the rocket

A model rocket is launched with an initial upward velocity of 57/ms . The rocket’s height h (in meters) after t seconds is given by the following. =h−57t5t2 Find all values of t for which the rocket’s height is 29 meters. Round your answer(s) to the nearest hundredth. (If there is more than one answer, use the “or” button.)

SOMEONE PLEASE HELP!! THERE ARE NO ANSWER CHOICES!!