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Functions-An introduction


The concept of function is very simple.
supposeIi say that:


where x∈R. this tells that y depends upon x this can be stated that y is a function of x. or


we can also say that x=3√y here x depends on y or x is a function of y or


so it can be stated that a function is an operator which has an input and gives an output.The input value is called independent variable while output value is called dependent variable


for full article on functions, you can refer to my article on my blog