# What is called odd function?

## What is called odd function?

A function f is odd if the graph of f is symmetric with respect to the origin. Algebraically, f is odd if and only if f(-x) = -f(x) for all x in the domain of f. Discussion [Using Flash] Examples.

## What is odd function and even function?

If a graph is symmetrical about the y- axis, the function is even. If a graph is symmetrical about the origin, the function is odd. If a graph is not symmetrical about the y-axis or the origin, the function is neither even, nor odd.

What is an odd function equation?

You may be asked to “determine algebraically” whether a function is even or odd. To do this, you take the function and plug –x in for x, and then simplify. If you end up with the exact opposite of what you started with (that is, if f (–x) = –f (x), so all of the signs are switched), then the function is odd.

Is Sine odd or even?

Sine is an odd function, and cosine is an even function. You may not have come across these adjectives “odd” and “even” when applied to functions, but it’s important to know them. A function f is said to be an odd function if for any number x, f(–x) = –f(x).

### Why is an odd function called an odd function?

They are named for the parity of the powers of the power functions which satisfy each condition: the function f(x) = x^n is an even function if n is an even integer, and it is an odd function if n is an odd integer.

### What is an odd function graph?

Odd function: The definition of an odd function is f(–x) = –f(x) for any value of x. The opposite input gives the opposite output. These graphs have 180-degree symmetry about the origin. If you turn the graph upside down, it looks the same.

What are the properties of odd function?

The graphs of odd functions are symmetric about the origin. That is, the graph is unchanged by reflections about both the x-axis and the y-axis (see right diagram below). 3. If f is odd, ) dx = 0.

What makes a function even or odd?

A function is odd if and only if f(-x) = – f(x) and is symmetric with respect to the origin. A function is even if and only if f(-x) = f(x) and is symmetric to the y axis.

#### What is the definition of an odd function?

Definition of odd function. : a function such that f (−x) =−f (x) where the sign is reversed but the absolute value remains the same if the sign of the independent variable is reversed.

#### What is an example of an odd function?

Geometrically, an odd function is symmetric with respect to the origin, meaning that its graph remains unchanged after rotation of 180 degrees about the origin. Examples of odd functions are x, x 3, sin(x), and sinh(x).

What are the properties of an odd function?

Properties Relating to Odd and Even Functions The only function which is both even and odd is the constant function which is identically zero (i.e., f (x) = 0 for all x). The sum of an even and odd function is neither even nor odd, unless one of the functions is identically zero.