# Is the function f(x) = 4^-x increasing or decreasing?

Jul 13, 2018

decreasing

#### Explanation:

Given: $f \left(x\right) = {4}^{-} x$

From the graph you can see that the function is decreasing as it moves from left to right.

Graph of $f \left(x\right) = {4}^{-} x$:

graph{4^-x [-5, 10, -2, 10]}