# *Graph of exponential functions

***Graph of exponential functions**

Functions y = a^{x}, a < 1 & y = a^{– x}, a > 1 are exponentially decreasing. Functions y = a^{x}, a > 1 & y = a^{– x}, a<1 are exponentially increasing.

The y intercept of the function y = a^{x} is point (0, 1). If a = e (2.71828) then y = e^{x} is called natural exponential function.