I have to find the inverse of
f(x)=9x+7
please show steps so I can see to understand
first write it as
y = 9x + 7
step1 : interchange the x and y variables
x = 9y + 7
step 2: solve this inverse equation for y
x - 7 = 9y
y = (1/9)x - 7/9 or y = (x-7)/9
so:
1. interchange x and y
2. solve for y