The inverse of the given function is y = 3-x/3. The graph is attached below.
Inverse of a function
Functions are written in terms of variables. Given the linear function
f(x) = -3x + 3
Find the inverse
y = -3x + 3
Replace the variables
x = -3y + 3
Make y the subject of formula
3y = -x + 3
y = 3-x/3
Plot the graph of the resulting function
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