Which relation is not a function? A. x 147
21 28 35
y 7
14 7
35 21
B. {(8,4), (4,8), (12, 4), (16, 20),
(20, 12)
O C. (9,3), (5, 16), (6, 8), (9, 10),
(11,13), (1,7)
D.

Scenario: susan wants to make 2 square flags to sell at a crafts fair. the fabric she wants to buy is 3 meters wide. she doesn't want any fabric left over. what's the least amount of fabric she should buy? question: which equation will susan solve her problem? note: let x represent the length of 1 side of the flag. options: 1) 2x^2 = 4x 2) 8 +2x = 2(4x) 3) 2 * 2 = 4 * 2 4) 4x^2 -2x = 0