Question

look at this table:

x	y
13	-9
7	16
7	6

is this relation a function?
yes no
submit
work it out
not feeling ready yet? these can help:
input/output tables: find the rule (83)
lesson: relations and funct

Explanation:

Step1: Recall function definition

A function requires each input \(x\) to have exactly one output \(y\).

Step2: Check \(x\)-values in the table

Look at \(x=7\): it maps to \(y=16\) and \(y=6\).

Answer:

no