28th November 2019

techtarget
18

What is an exponential function in math?

An exponential function is a mathematical function of the following form: f ( x ) = a x. where x is a variable, and a is a constant called the base of the function. The most commonly encountered exponential-function base is the transcendental number e , which is equal to approximately 2.71828.

What are the rules of exponential functions?

Exponential functions follow all the rules of functions. The parent exponential function f(x) = bx always has a horizontal asymptote at y = 0, except when b = 1. You can't raise a positive number to any power and get 0 or a negative number.
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