Which of the following formats should be used for the domain of the function: f(x) = (x - 5) / (x^2 + 3x - 4)

A. x ≠ m
B. x ≥ m
C. x ≤ m
D. All Real Numbers

Based on the above choice, fill in the correct box below, leave the others blank (you will be asked to confirm you left them blank when you submit, this is ok). If you need to list several values, separate them with a comma. If you selected "All Real Numbers", leave the boxes below blank.

x ≠
x ≥
x ≤