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What is Function & Different Types of Functions (mathematics)

Math Functions, Relations, Domain & Range

A function ‘f’ is a relation between two sets which converts an input into an output. A function with Domain ‘x’ and Range ‘y’ is denoted by f: X-> Y.

 

Properties of functions:

Injective function (One-to-One):If f:  X ->  Y, then

 

Surjective function(Onto): If f: X -> Y, then

 

Bijective function(One-to One and Onto):If f: X -> Y, then

 

Inverse function (f-1): If f: X -> Y is an invertible function, then there exists ‘g’ such that g: Y -> X, where ‘g’ is called the inverse of ‘f’.

functions

Example: Find f-1 for f(x) = 2x +3.

For More info about Math Equations and Relationshipsconnect with tutors on Math Assignment Help!!

You can also, Read our other blog Sine, Cosine And Tangent In Four Quadrants

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