Question

look at this table:
x | 1 | 10 | 10
y | 17 | 1 | 20
is this relation a function?
yes
no
submit

Explanation:

Step1: Recall function definition

A function is a relation where each input ($x$-value) has exactly one output ($y$-value).

Step2: Analyze table $x$-values

Check $x=10$: it maps to $y=1$ and $y=20$.

Step3: Compare to function rule

One $x$-value has two distinct $y$-values, so it fails the function test.

Answer:

no