The figure given alongside shows the path of a diver. When she takes a jump from the diving board . Clearly it is parabola .
Annie was standing on a diving board, `48` feet above the water level . She took a dive into the pool. Her height (in feet ) above the water level at any time 't' in seconds is given by the polynomial h (t) such that
`h(t)=-16t^(2)+8t+k`
At what time will she touch the water in the pool?

Options

A. 30 seconds
B. 2 seconds
C. 1.5 seconds
D. 0.5 seconds

Answer

B