When the input is 0, the output is 0. As the input increases by 1, the output increases by 6.

Question

0 | 0
1 | 6
2 | 12

OR

0 | 0
1 | 6
2 | 36

Answer 1

The answer is the first choice because:

0 * 6 = 0

1 * 6 = 6

2 * 6 = 12