Question

Question
Which table below represents a function?(1 point)
Responses

x y
5 1
-1 0
6 8
5 7


Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '5'; Column 2, '1' Row 3: Column 1, '-1'; Column 2, '0' Row 4: Column 1, '6'; Column 2, '8' Row 5: Column 1, '5'; Column 2, '7'

x y
2 1
2 6
2 8
2 9


Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '2'; Column 2, '1' Row 3: Column 1, '2'; Column 2, '6' Row 4: Column 1, '2'; Column 2, '8' Row 5: Column 1, '2'; Column 2, '9'

x y
-2 5
0 5
2 5
4 5


Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '-2'; Column 2, '5' Row 3: Column 1, '0'; Column 2, '5' Row 4: Column 1, '2'; Column 2, '5' Row 5: Column 1, '4'; Column 2, '5'

x y
5 0
3 3
3 1
8 7


Table with 2 columns and 5 rows.Row 1: Column 1, 'x'; Column 2, 'y' Row 2: Column 1, '5'; Column 2, '0' Row 3: Column 1, '3'; Column 2, '3' Row 4: Column 1, '3'; Column 2, '1' Row 5: Column 1, '8'; Column 2, '7'
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Answer 1

The third table:
x y
-2 5
0 5
2 5
4 5

Each x-value appears only once (or only has one output), so it is a function.