Ron and Bertha were practicing tennis for an upcoming tournament. Ron returned a serve with a lob, hitting the ball when it was 6 feet from the ground. The height of the ball in feet, t seconds after the ball left Ron's tennis racket, is modeled by the function below.
h(t) = -4t² + 10t + 6
a) Fill in the value below for the domain of this height function. For this situation, the domain represent the ball's