-10, how can this be done? I do not understand this question

For the function f(x) = 4x# - 3x - 3x + 4, find f''(x). Then find f''(0) and f''(2). f" (x ) = Select the correct choice below and fill in any answer boxes in your choice. O A. f''(0) = (Simplify your answer.) O B. f"(0) is undefined. Select the correct choice below and fill in any answer boxes in your choice. O A. f' (2) = (Simplify your answer.) O B. f''(2) is undefined