8 Jin throws a stone into the air. The height of the stone above the ground can be modelled by the function fit) = 1 +7.251- 1.8752. where t is the time, in seconds, that has passed since the stone was thrown, and fit) is the height of the stone, in metres. a Find the maximum height that the stone reaches. b Determine how long it takes for the stone to land on the ground. 9 A bullet is fired from