1.
A diver bounces off 3-m springboard at initial upward speed the water.\
a) create a quadratic model for the height of the diver above the water.
b)after how many seconds does diver enter the water?round to the nearest hundredth of a second
c) over what time interval is the height of the diver greater than 3.5 m above the water?round to the nearest hundredth of a second
