Question

3)

x	h(x)
-3	6
0	8
-3	-8
5	4
-8	11

function?

Explanation:

Step1: Recall function definition

A relation is a function if each input $x$ has exactly one output $n(x)$.

Step2: Check $x$ values for repeats

The input $x=-3$ appears twice, with outputs $6$ and $-8$.

Answer:

No, this relation is not a function.