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Answer:
G^-1(x) = (x +2)/5
Step-by-step explanation:
To find the inverse function, solve for y:
x = G(y)
x = 5y -2 . . . . . . . use the definition of G(x)
x +2 = 5y . . . . . . add 2
(x +2)/5 = y . . . . divide by 5
Then the inverse function is ...
G^-1(x) = (x +2)/5
