Feature exponential functions | Wiskunde op Tilburg University

Introduction: A function of the form

$y(x)=a^x$ , where

$a$ (

$a \neq 1)$ is a positive number, is called an exponential function with \em{base}

$a$ .

Theorem: We often use the following feature of an exponential function:

$a^x=a^y$ if and only if

$x=y$ .