## polynomial function

### A polynomial function is a mathematical function that can be expressed as a sum of powers of the independent variable, where the coefficients are constants

A polynomial function is a mathematical function that can be expressed as a sum of powers of the independent variable, where the coefficients are constants. In other words, it is a function in the form:

f(x) = a_nx^n + a_{n-1}x^{n-1} + … + a_1x + a_0

Here, x is the independent variable, a_n, a_{n-1}, …, a_1, and a_0 are constants called coefficients, and n is a non-negative integer called the degree of the polynomial.

The degree of the polynomial function represents the highest power of x that appears in the function. For example, if the function is f(x) = 3x^2 + 2x – 1, then the degree is 2.

In a polynomial function, the coefficients can be any real numbers or complex numbers. The function can be evaluated for any value of x, and it will produce a corresponding output value y.

Polynomial functions have many applications in various fields of mathematics and science. They are used to represent and model a wide range of phenomena, such as the growth of populations, the motion of objects, and the behavior of physical systems. They are also extensively used in fields like calculus, algebra, and numerical analysis.

##### More Answers:

The Rational Zero Theorem | Finding Possible Rational Zeros of a Polynomial FunctionUnderstanding the Domain of Polynomial Functions | Explained with Examples

The Remainder Theorem | A Helpful Tool for Polynomial Division and Analysis