Answer:
x=5/2,3/2
so 5/2 is the maximum height. (2.5)
Step-by-step explanation:
3d+ e+f
12 1/3 x 4.5 = 55 1/2 feet
-200 + 55 1/2 = -144 1/2
the diver is at -144 1/2 feet