l 20 marks 1) Accurately sketch the function f(9) = 55in(39 + 270) 2 using key points and key features. Sketch at least 2 cycles of the function. [6 marks] MCRSUZUnit 7: Trigonometry Name: 3) Ms Carone visited London while on vacation and rode The London Eye Ferris wheel. After 15 minutes she hit a maximum height of 136 metres and then a minimum height of 1 metre after 30 minutes. a) Write a sinusoidal function to model this situation where, h is the height, in metres, above the ground, and t represents the time, in minutes, from when Ms Carone boarded the ride. [4 marks] b) What is the radius of The London Eye? [1 mark] Page 2 of4 MCRBUZ Unit 7: Trigonometry Name: c) At what time{s), to the nearest minute, is Ms Carone 99 metres above the ground during the rst rotation? [2 marks] (1) How long does it take to go around The London Eye once? [1 mark]