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.
Related terms
Reciprocal Function: A function that gives the multiplicative inverse of a given function.
Asymptote: A line that a graph approaches but never touches or crosses.
Integration: The process of finding the area under a curve, which can involve functions like e^(-x).