FIITJEE's Functions Package

Functions are the special class of relation or we can say that special types of relations are called as functions. It is the important concept used frequently in mathematics.


 A function is like a machine which gives unique output for each input that is fed into it. But every machine is designed for certain defined inputs for e.g. a washing machine is designed for washing cloths and not the wood. Similarly, the functions are also defined for certain inputs which are called as its Domain and corresponding outputs are called Range.





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