Function+Notation

Mr. Baby Jr Here!!

Hello!!!!Look down below for the function notation problem. Exclamation point marks the correct answer

1. Solve the equation 2x-4y=4 for y. Write as a function of x.

(!)A. f(x) = 1/2x -1 B. f(x) = x - 2 C. f(x) = 2x - 2 D. f(x) = 1/2x +2