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OpenStudy (anonymous):
Find the inverse of the function: f(x) = 7x + 2
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OpenStudy (anonymous):
Express x in terms of f(x) and numbers: 7x = f(x) - 2 x = [f(x0 - 2]/7
OpenStudy (slaaibak):
f-1(x) = x/7 -2/7
OpenStudy (anonymous):
also helps to think of it logically...if you take a number, multiply it by 7 and then add two, what would be the opposite process? taking a number, subtracting two, and then dividing by 7
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