The graph shown in the figure shows the results of measurements of the dc current through a circuit device for various potential differences across it. Assume that all the numbers shown are accurate to two significant figures. What is the resistance of this device? 
Definitions:
Treatment Expense
The cost associated with medical care, including diagnostics, therapy, medication, and other interventions necessary to treat or manage conditions.
Adolescent Suicide Rate
The statistical measure of the number of suicide deaths in a given population of adolescents, usually per 100,000 individuals per year.
Antidepressants
Medications designed to improve symptoms of depression by altering chemical activity in the brain.
Suicide Risk
The assessment of the likelihood that a person will attempt or die by suicide.
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