IB Maths 2017 SL P1 TZ2 - Questions 4, 5 and 6 Sequences, Integration and Functions

Past Paper International Baccalaureate Mathematics 2017 Standard Level Paper 1 Time Zone 2

Question 4 is about finding the nth term of a sequence
Question 5 is about integrating a function of the form u' / u
Question 6 is about functions and composite functions