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OpenStudy (anonymous):
What is the inverse of f(x) = 5x+4?
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hero (hero):
f(x) = 5x+4 y = f(x), therefore, y = 5x + 4 y - 4 = 5x (y-4)/5 = x (x-4)/5 = y (x-4)/5 = f^(-1)(x)
OpenStudy (anonymous):
Original \[y = 5x + 4\] Solve for x \[x = (y-4)/5\] Making your inverse \[f^-1(x) = (x-4)/5\]
OpenStudy (anonymous):
Ah sorry Hero, Didn't see your response there.
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