A ball is thrown from a platform. The height in feet above the ground after t seconds is given by the equation h(t)= -16t square + 32t +20. How many seconds will pass until the ball reaches its maximum height?
I tried using the quadratic formula:
but got -0.5 and 2.5. The answer in the book is 1. I am confused.
I tried using the quadratic formula:
but got -0.5 and 2.5. The answer in the book is 1. I am confused.