# What is a polynomial function? - Polynomial Functions

### What is a polynomial function?

#### Lessons

###### Notes:

A polynomial function is a function in the form:

$\bullet$leading coefficient: "${a_n}$", the coefficient of the highest power of x

$\bullet$constant term: "${a_0}$", the term without $x$

$\bullet$degree of the polynomial function: $n$, the highest power of $x$