A Projectile Is Thrown Upward So That Its Distance Above $h = - 15 t ^ { 2 } + 660 t$

Multiple Choice

A projectile is thrown upward so that its distance above the ground after t seconds is $h = - 15 t ^ { 2 } + 660 t$ What is its maximum height?

A) 3630 ft
B) 5445 ft
C) 7260 ft
D) 10,890 ft