# WHAT IS EXPONENTIAL FUNCTION?

*f*(

*x*) =

*x*

^{2}.

where x is the base

However, in exponential function we are dealing

*f*(*x*) = 2*.*^{x}
where 2 is the base

the number x is the power (index)

source: Wikipedia |

The big difference is in that the variable is now the power, rather than the base.

source: Wikipedia |

*e*, which is equal to approximately 2.71828. Thus, the above expression becomes:(see also natural logarithm)

*f*(

*x*) =

*e*

^{x}Value of e |

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