Mathematics, 30.09.2019 18:30, bullockarwen

The tables show some input and output values:

table a
input output
1 7
2 7
2 9
4 5
table b
input output
6 1
7 3
8 2
9 5

which tables represent functions?
only a
only b
both a and b
neither a nor b

Answers: 1

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Do you know the correct answer?

The tables show some input and output values:

table a
input output
1 7