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OpenStudy (anonymous):
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = 9x + 3 and g(x) = Quantity x minus three divided by nine
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OpenStudy (anonymous):
f(x) = 9x + 3 and g(x) = (x -3)/9 So just plug one in for x into the other. f(g(x)) = 9((x-3)/9)+3 g(f(x)) = ((9x+3)-3)/9
OpenStudy (anonymous):
thanks
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