An object is thrown upwards at time t = 0. The object's height, fin feet, t seconds later is given by the formula below:f (t) = -16t² + 128 t=Answer the following. Note: When relevant, keep your answers exact. Decimal approximations will be marked as incorrect.(a) Determine the height of the object t = 0.8 seconds after it was launched.Answer: 92feet(b) Determine the number of seconds required for the object to reach a height of 3 ft on its way up.128 + ?1619232t =seconds