SOLUTION: Fireworks are launched over a lake off a dam 28ft above water. The height of the display, t seconds after it has been launched, is given by h(t)=-16t^2+48t+28.
After how long will
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: Fireworks are launched over a lake off a dam 28ft above water. The height of the display, t seconds after it has been launched, is given by h(t)=-16t^2+48t+28.
After how long will
Log On
Question 861336: Fireworks are launched over a lake off a dam 28ft above water. The height of the display, t seconds after it has been launched, is given by h(t)=-16t^2+48t+28.
After how long will the shell from the fireworks reach the water? Answer by fcabanski(1391) (Show Source):