Find the maximum daily profit that Jasmine can make. 7 When Andrew dives off a pier, his height above the water after t seconds is given by H(t)=-4t2+4t+3 metres, t≥0.
a How high above the water is the pier?
b How long does it take for Andrew to reach the maximum height of his dive? <
c How far is Andrew above the water at his highest point?
d How long does it take for Andrew to hit the water?​