Height, Time of the Ball The height $h$ in feet of a baseball hit $3$ feet above the ground is given by $h=3+75t-16t²$ where $t$ is the time in seconds.
a. Find the height of the ball after two seconds
b. Find the time where the ball hits the ground in the field
c. What is the maximum height of the ball?

Hints : 


*

*a) replace t by 2 and evaluate h

*b) replace h by 0 and find the value of t

*c) find the vertex of the parabola.

