Solve the Problem $f ( x ) = \frac { 2 } { 3 } x + 92$

question 83

Multiple Choice

Solve the problem.
-A driver wants to gauge the fuel efficiency of her vehicle at speeds of 30 mph and above. She notices that traveling at an average speed of 40 mph results in a rating of 32 mpg, where as at an
Average speed of 50 mph, her car rates 17 mpg. Find a linear function f(x) = mx + b whose input is The number of minutes for a call and whose output is the corresponding cost for the call. Use the Function to model the gas mileage y for an average speed of x mph.

• A) \(f ( x ) = \frac { 2 } { 3 } x + 92\)
• B) \(f ( x ) = - \frac { 3 } { 2 } x + 92\)
• C) \(f ( x ) = - \frac { 3 } { 2 } x + 28\)
• D) \(f ( x ) = \frac { 2 } { 3 } x + 28\)

Distinguish between different states of employment (e.g., full employment, depression, recession) and their representations on economic models.

Analyze the impact of historical events and societal changes on national economies and production capabilities.

Understand the role of resources and capital in the production process.

Appreciate the necessity of economizing due to scarcity.

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