Solve the Problem $y = 3 x + 80$ , Where $y$

question 189

Multiple Choice

Solve the problem.
-When a tow truck is called, the cost of the service is given by the linear function $y = 3 x + 80$ , where $y$ is in dollars and $x$ is the number of miles the car is towed. Find and interpret the slope and $\mathrm { y }$ -intercept of the linear equation.

• A) \(\mathrm { m } = 80\); The cost of the service increases \(\$ 80\) every mile the car is towed. \(b = 3\); The cost of the service is \(\$ 3\) if the car is not towed.
• B) \(\mathrm { m } = 3\); The cost of the service increases \(\$ 3\) every mile the car is towed. \(\mathrm { b } = 80\); The cost of the service is \(\$ 80\) if the car is not towed.
• C) \(\mathrm { m } = 3\); The number of miles the car is towed increases 3 miles for every dollar spent on the service. \(b = 80\); The tow truck will tow the car 80 miles for no cost.
• D) \(\mathrm { m } = 80\); The number of miles the car is towed increases 80 miles for every dollar spent on the service. \(b = 3\); The tow truck will tow the car 3 miles for no cost.

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