Respuesta :
The formula would be
y=4 + 30t -16t^2
Her maximum height is when the velocity is zero. so V = 30 -32t 0 = 30 -32t t=15/16 seconds.
y=4 + 30t -16t^2
Her maximum height is when the velocity is zero. so V = 30 -32t 0 = 30 -32t t=15/16 seconds.