SOLUTION: Ben threw a toy upward from the window of their two story house. It's height h, in feet, in t seconds is given by h = -16t^2+48t+36. After how many seconds will the toy reach the g
Question 1132659: Ben threw a toy upward from the window of their two story house. It's height h, in feet, in t seconds is given by h = -16t^2+48t+36. After how many seconds will the toy reach the ground? (Hint: the toy will reach the ground ai h=0) Answer by ikleyn(52781) (Show Source):
At the end of your post you may read the HINT, which explains you what to do.
You need to solve the equation
-16t^2 + 48t + 36 = 0
and find its positive root.