Question

open up resources - 8th grade > identify functions: tables acc
look at this table:
is this relation a function?
yes no
submit
work it out
not feeling ready yet? these can help:
input/output tables: find the rule (33)
lesson: relations and funct

Explanation:

Step1: Recall function definition

A relation is a function if every input (x-value) has exactly one output (y-value), with no repeated x-values mapping to different y-values.

Step2: Check x-values in table

The x-values are 4, -12, 10. All x-values are unique, each maps to one y-value.

Answer:

yes