SOLUTION: The inverse of f(x) = 3x + 5 is f^-1(x) = a. (x - 5)/3 b. (x - 3)/5 c. (x + 5)/3 d. (x + 3)/5 e. none of these

Algebra ->  Equations -> SOLUTION: The inverse of f(x) = 3x + 5 is f^-1(x) = a. (x - 5)/3 b. (x - 3)/5 c. (x + 5)/3 d. (x + 3)/5 e. none of these      Log On


   

Question 50551: The inverse of f(x) = 3x + 5 is f^-1(x) =
a. (x - 5)/3
b. (x - 3)/5
c. (x + 5)/3
d. (x + 3)/5
e. none of these
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
y = 3x + 5
x = 3y + 5
x - 5 = 3y
(x - 5)/3 = y
Answer: a.
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