Mathematics

Problem

The height (in meters) of a drone

t

seconds after launch is modeled by

H(t)=-t^{3}+3t^{2}+12

for

0\le t\le 4

. At what time does the drone reach its greatest height during this interval? a)

t=1\text{ s}

t=4\text{ s}

t=2\text{ s}

t=0\text{ s}