Question 22
Continue each number sequence, filling all three blanks.
(a) 3, 6, 9, 12, __, __, __
(b) 1, 2, 4, 8, __, __, __
Use the simple pattern consistent with the displayed examples. A finite set of examples does not uniquely determine every possible rule.

(a) 3, 6, 9, 12, __, __, __
(b) 1, 2, 4, 8, __, __, __
Use the simple pattern consistent with the displayed examples. A finite set of examples does not uniquely determine every possible rule.
