Even and Odd Functions
Even and Odd Functions: Overview
This topic covers concepts, such as Determining whether a Given Function is Even or Odd, Properties of Even Function, Properties of Odd Function, Even Function, Odd Extension of a Function, Function Symmetric about a Point, etc.
Important Questions on Even and Odd Functions

Determine whether the following is even or odd.

Determine whether the following is even or odd.

Which one of the following has point symmetry about the origin?

Which one of the following letters has point symmetry?

If , which of the following statements must be true?

Draw the odd function graph for and state why is it an odd function.

Prove that the function , where is an integer is an even function

Identify the even function from the given functions.


The function is symmetric with respect to the -axis.

The function is symmetric with respect to the -axis.

The function is symmetric with respect to the -axis.

The function is symmetric with respect to the -axis.

If is defined by , its even extension to is given by:


Show that, $f(x)=\log \left(x+\sqrt{1+x^{2}}\right)$ is an odd function.

State whether the following statements are true/false:
[xx] A function may be simultaneously even as well as odd.
State whether the following statements are true/false:
[xvii] The function $f(x)=\log \frac{1-x}{1+x}$ is an odd function.
State whether the following statements are true/false:
[v] If a function is not even, then it must be an odd function.
