An object is launched off the top of a building, and follows a path that can be modelled using the function h(t) = –5t2 + 50t + 55, with t in seconds and h in metres. When does it reach its maximum height? a) 0 s b) 1 c) 5 s d) 10 s

A cannon fires a shot at an angle of 60 degrees with a velocity of 113m/s. If the cannon is 49 meters above sea level what is the highest hight the cannonball will reach before it hits the water? I started this problem and found that the time it would take is 20.5 seconds and that the velocity...

Hello there, I am suppose to answer this question but I don't know how to go about it. A shrub 20cm tall is planted and in its first years it grow 8cm tall, in the second it grows 4cm more, in the third year it grows 2cm more and so on. What is the maximum height the tree will grow? So far...

The path of a baseball after it has been hit is modeled by the function: h=-0.0032 d (squared) + d + 3 where h is the height in feet of the baseball and d is the distance in feet the baseball is from homeplate . What is the maximum height reached by the baseball? How far is the baseball...