Analysis and Approaches for IBDP Maths Ebook 1 | Page 28

Your Practice Set – Analysis and Approaches for IBDP Mathematics Solution (a) f (3) � 2 (M1) for correct approach �f �1 (2) � 3 A1 N2 [2] (b) f (4) � 3 (M1) for correct approach ( f f )(4) � f (3) (A1) for composite function � 2 A1 N3 [3] (c) For correct y -intercept A1 For any two correct points from ( �1, � 1) , (3, � 2) and (4, � 3) A1 N2 [2] 20 SE Production Limited