Answer:
B. Linear function and a relation
Step-by-step explanation:
The following terms are defined like so,
Linear: linear functions show up as straigh lines when plotted on a graph
Non-Linear: non-linear functions show up as curvy or wavvy lines when plotted on a graph
Relation: relation graphs have specific outputs for every input, meaning for every x location on the graph there is only one y point.
Based on the definitions above we can determine that the graph in the diagram is both Linear and a Relation, since it is both a straight diagonal line as well as only having one specific y coordinate for every x coordinate. So the answer would be B. Linear function and a relation.
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