1 Ethan throws a toy soldier with a parachute into the air from a balcony The path of the soldier can be modelled by h t 5 7t 18 where the height h t is in metres and the time t is in seconds a When will the soldier hit the ground 2 marks b How long will the soldier be above 15 m 2 Given f x 5x 3 and g x x 5 a Evaluate f 1 b Evaluate g 4 c Evaluate f 1 g 4 2 marks 1 mark 1 mark 1 mark