CALCULUS Understanding Its Concepts and Methods

Contents >> Index >> Exponential functions

An exponential function is a function of the
form
*f*(*x*) = *a ^{x}*
where

The natural exponential function is the
inverse of the natural logarithm. It is
written as
exp *x*
or
*e ^{x}*.
Thus

For
*
a*
a positive number, the exponential function
*a ^{x}*
is defined to
be

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Copyright © 2006 Darel Hardy, Fred Richman, Carol Walker, Robert Wisner. All rights reserved. Except upon the express prior permission in writing, from the authors, no part of this work may be reproduced, transcribed, stored electronically, or transmitted in any form by any method.