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Answer:
g(x) = 3x +5
Step-by-step explanation:
The inverse function can be found by solving ...
x = f(y)
x = 1/3y -5/3 . . . . . use the definition of f(x)
3x = y -5 . . . . . . . . multiply by 3
3x +5 = y . . . . . . . .add 5
Then the inverse function is ...
g(x) = 3x +5
