Question 1011455
H(t)=-16t^2+60t+3
find the zero where t is positive
-16t^2+60t+3=0
t=(-1/32){-60 +/- sqrt (3600+192); sqrt 3792=61.58
use negative root
t=(-1/32)(-121.58)=3.80 sec
{{{graph(300,200,-10,10,-10,100,-16x^2+60x+3)}}}