SOLUTION: What is the inverse of f(x)= 3x-4
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Question 309361
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What is the inverse of f(x)= 3x-4
Answer by
nyc_function(2741)
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Let f(x) = y
y = 3x - 4
Switch x and y.
x = 3y - 4
Add 4 to both sides.
x + 4 = 3y
Divide both sides by 3.
(x + 4)/3 = y
Replace y with the inverse notation f^-1 (x).
(x + 4)/3 = f^-1 (x)