The Monthly Cost of Driving a Car Depends on the Number

question 10

Multiple Choice

The monthly cost of driving a car depends on the number of miles driven. Julia found that in October it cost her $200 to drive 300 mi and in July it cost her $350 to drive 600 mi. Express the monthly cost C as a function of the distance driven d assuming that a linear relationship gives a suitable model.

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Definitions:

Dermatomes

Areas of skin supplied by sensory nerves from a single spinal root, crucial for diagnosing conditions affecting the nerves and skin.

CNS

The central nervous system, comprising the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Blood-brain barrier

A semipermeable barrier of endothelial cells that prevents most substances in the blood from entering the brain, protecting it from pathogens and toxins.

Motor tremors

Involuntary, rhythmic muscle movements involving to-and-fro movements of one or more parts of the body.