Analysis and Approaches for IBDP Maths Ebook 1 | Page 101

Front Page Exercise 34 1. Let f ( x) � 3.5sin(π x) , for 0�x � 4. (a) (i) Write down the amplitude of f . (ii) Find the period of f . (b) On the following grid sketch the graph of f . [3] [4] 10 2. Let f ( x) �3cos(π x) � 1, for �1� x � 4. (a) (i) Write down the amplitude of f . (ii) Find the period of f . [3] www.seprodstore.com 93