Answer:
The inverse of this equation would be f(x) = x/-4
Step-by-step explanation:
In order to find any inverse, start by switching the x and f(x) values. After doing this, you can solve for the new f(x) value and that will be your inverse.
f(x) = -4x
x = -4f(x)
x/-4 = f(x)
f(x) = x/-4