Analysis and Approaches for IBDP Maths Ebook 1 | Page 100

Your Practice Set – Analysis and Approaches for IBDP Mathematics
Solution
(a) (i) The amplitude of f is 4. A1 N1
(ii)
The period of f
�
�2�
� (M1) for valid approach
2
� 4
A1 N2
[3]
(b) For correct x -intercepts A1
For correct maximum and minimum points A1
For correct domain
A1
For sinusoidal curve starting at (0, 4) and correct
period A1 N4
[4]
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