Question

PLZ HELP ASAP 15 pts

Which of the following tables represents a function?


x 4 4 9 9
y 2 −2 3 −3

x 2 −2 3 −3
y 4 4 9 −9

x 1 −1 1 −1
y 4 5 6 7

x 5 5 6 6
y 1 2 3 4

Answer 1

x 2 −2 3 −3

y 4 4 9 −9

Explanation:

A table does not represent a function if any x-value is repeated. The table shown above is the only one with unique x-values.