Answer to Question #45780 in Algebra for nana

Question #45780

Find the inverse of the function.

f(x) = 7x - 1

Expert's answer

Let y=7x-1. Express x in terms of y: y+1=7x, hence x=(y+1)/7. Thus, function g(x)=(x+1)/7 is the inverse function of f(x)=7x-1

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