Explain Types of functions

Introduction:
            Function is defined as follows, considering two sets A and B. We form the Cartesian Product, we form relations. From all the relations, we can select a few which satisfy the rule that each element of the set A is related to only one element of the set B.
When a relation satisfies this rule, it is called a function.
Any relation on A x B in which (i) no two second elements have a common first element and (ii) every first element has a corresponding second element is called a function.
Understanding Types of Functions:
Linear functions:
 Linear functions are the functions in which the highest degree of x term is 1. There are 2 types of linear functions depending ion the operator between the variables.
Polynomial function:
The function which contains many terms is called as polynomials. Functions which contain 1 term is called as monomial, function which contain 3 terms is called as trinomial etc can be called as polynomial function.


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