Suppose That a Highway Is Governed by a Use Fee

question 38

Multiple Choice

Suppose that a highway is governed by a use fee charged to motorists that is based on congestion, operation and maintenance. The total traffic t is used to determine the cost of 5t² + 7t. What is the marginal cost?

• A) 12
• B) 5t + 7
• C) 10
• D) 10t + 7

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Definitions:

X Scores

Often refers to the values of observations or data points in a dataset, particularly in the context of variables or scores on a test.

Independent Variable

The variable in an experiment or study that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Predicted Variable

The outcome variable whose values are forecasted or estimated in regression analysis.

Outcome Variable

The variable that is being measured or observed in a study to determine the effects of the independent variable; also known as the dependent variable.