Analysis and Approaches for IBDP Maths Ebook 2 | Page 11

Chapter
1
1
Functions
SUMMARY POINTs
�
Odd and even functions:
f( x ) is odd if f ( �x) � � f ( x)
f( x ) is even if f ( �x) � f ( x)
�
f
1 ( x)
�
exists only when f( x ) is one-to-one in the restricted domain
�
Absolute function:
� f ( x) if x � 0
f( x)
� �
� � f ( x) if x � 0
Solutions of Chapter 1
www.seprodstore.com
1