Find the value of f(x) if f''(x) = 4-6x, f(0) = 8, and f(2) = 6. What is the function f(x)?
A) f(x) = 4x² - 3x + 8
B) f(x) = 2x² - 3x + 8
C) f(x) = 4x² - 6x + 8
D) f(x) = 2x² - 6x + 8