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Exponential Function Formula

An exponential function is a mathematical expression in which a variable represents the exponent of an expression.

The Exponential Function Formula is given as,

\[\large y=a^{x}\]

Solved Examples

Question: What is the value of x in x2 =  81 ?

Solution:

x2 = 81
x $\times$  x = 9 $\times$ 9
x = 9