Sender: Brian

Hi, My name is Sarah, My question is at the junior level.

My question is, what is a polynomial?

THANK YOU!

Hi Sarah,

A polynomial is a certain kind of function. Quadratics are polynomials, for example

as well as cubics like

and linear functions such as

.

A polynomial is any function that can be written

where n is a positive integer and are real numbers.

Examples of functions that are not polynomials are

and

Cheers,

Harley

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