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exponential function

American  

noun

Mathematics.

  1. the function y = ex .

  2. any function of the form y = bax , where a and b are positive constants.

  3. any function in which a variable appears as an exponent and may also appear as a base, as y = x 2x .

Etymology

Origin of exponential function

First recorded in 1890–95

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.