Select the sets that are not functions. B = {(1, 2), (2, 1), (3, 0), (4, -1)}
D = {(1, 1), (1, 2), (1, 3), (1, 4)}
A = {(1, 2), (2, 3), (3, 4), (4, 5)}
C = {(-1, 3), (0, 3), (1, 3), (2, 3)}
E = {(6, 2), (7, 3), (6, -1), (5, 4)}

Sets D, E

Step-by-step explanation:

Sets D and E both have repeated x-values , thus making them a relation not a function.

Sets D, and E, are the correct answer.

Step-by-step explanation:

the answer is thin because within context, the stanza concludes the and frail tone the people have toward each other, and the fact that it would be thin, makes the most sense compared to "pliable" or "not hard or firm to the touch". hope this , good luck.

step-by-step explanation:

can i have brainliest

i think the answer would be c