An exponential function can be recognized as a function in the form of f(x)=aˣ. This can be obtained by understanding what an exponential function is.
What is an exponential function?
An exponential function is a function in the form of,
⇒ f(x)=aˣ, where a is a constant and x is a variable.
a>0 and x is any real number.
If x is negative, function is undefined.
Hence we can recognize an exponential function when the function is in the form of f(x)=aˣ.
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