Question

A ball is thrown into the air with an initial upward velocity of 45 ft/s its height is(h) in feet after t seconds is given by the function h = -16t^2 + 45t + 6 after about how many seconds will the ball hit the ground ?
a. 3
b. 5
c. 6

Answer 1

Is it just a b c or is there a d or more