Analysis and Approaches for IBDP Maths Ebook 2 | Page 84

Your Practice Set – Analysis and Approaches for IBDP Mathematics
��
�
3. The function f is defined as f ( x) � cosec � x�ln
x
� 8 �
, 0�x
� 7.
(a) Sketch the graph of y � f ( x)
, showing clearly any points of intersection with the
axes.
[3]
��
(b) Solve the inequality cosec ln 4
8 x �
� � x � x � .
� �
[3]
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