The Monthly Cost of Driving a Car Depends on the Number

question 6

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 $300 \mathrm { mi }$ and in July it cost her $\$ 350$ to drive $600 \mathrm { mi }$ . Express the monthly $\operatorname { cost } C$ as a function of the distance driven $d$ assuming that a linear relationship gives a suitable model.
Select the correct answer.

• A) \(C = - 50 d + 0.5\)
• B) \(C = 50 d - 0.5\)
• C) \(C = 0.5 d + 50\)
• D) \(C = 2 d + 50\)
• E) \(C = 0.5 d - 50\)

---

Definitions:

Acetaldehyde

A colorless volatile compound with a pungent odor, used in the manufacture of acetic acid, perfumes, and flavors.

Deprotonated

Refers to the removal of a proton (H+) from a molecule, resulting in the formation of a negatively charged ion.

Resonance

A phenomenon in chemistry where a molecule or ion can be represented by two or more equivalent structures, indicating the delocalization of electrons.

Anion

A negatively charged ion, which has more electrons than protons.