Question

Which of the following does not represent a function?


x 8 7 9 5 2
y 2 4 5 −5 4

x 2 5 6 5 2
y 1 2 3 4 5

x −4 −5 −6 −7 −8
y 4 5 6 7 8

x 0 2 3 4 8
y 1 3 5 4 7

Answer 1

find the table that has repeated x values

Answer 2

which table is that?

Answer 3

2nd choice??

Answer 4

correct

Answer 5

that's when x = 2

Answer 6

when x = 2, we have y = 1 and y = 5 happening at the same time

for it to be a function, each input (x) needs to produce EXACTLY ONE output (y)