Mathematics for IGCSE & O level - Sequences (Section 4 - No. 38)
Which of the following is the term-to-term rule for the sequence: 2, 6, 10, 14, 18, ...?
Add 2
Multiply by 2
Add 4
Subtract 4
Giải thích
The term-to-term rule is to add 4 to the previous term.