♾️ap calculus ab/bc review

E^(-x)

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

This term refers to Euler's number raised to the negative power of x. It represents the reciprocal of e^x and decreases exponentially as x gets larger.

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