Complete the table and state the rule.

Question

Input | Output
0|0
|3
2|
3|9
|
5|15
6|

I think the rule is Output = Input x 3 but I don't know how the rule should be worded.

I think the chart should look like:

Input | Output
0|0
1|3
2|6
3|9
4|12
5|15
6|18

Answer 1

looks good