a baseball player throws a ball from left field toward home plate. the balls height above the ground is modeled by equation y=-16x^2+48x+6

Question

where y represent height, in feet, and x represent time.the ball was initially thrown from a hight of 6 feet. what is maximum height reached by ball?

 

Answer 1

The maximum height is at the vertex of the height vs. time parabola, which is at

 

t = -48/[2(-16)] = 1.5 sec

 

Evaluate y at 1.5 sec and that will be your maximum height.  Can you finish from here?