Write a rule for the function represented by the table.
Input (x) 0 1 2 3 4
Output (y) 3 6 9 12 15
A. y = 3x
B. y = 3x + 3
C. y = 5x + 1
D. y = x + 5
Input (x) 0 1 2 3 4
Output (y) 3 6 9 12 15
A. y = 3x
B. y = 3x + 3
C. y = 5x + 1
D. y = x + 5