Decide Whether the Following Problem Can Be Solved Using Precalculus

question 5

Multiple Choice

Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, use a graphical or numerical approach to estimate the solution. A cyclist is riding on a path whose elevation is modeled by the function where x and are measured in miles. Find the rate of change of elevation when x = 5.

• A) calculus, 2
• B) precalculus, 0.2
• C) calculus, 0.2
• D) precalculus, 2
• E) precalculus, 0.45

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Definitions:

Correlation

A statistical measure that describes the extent to which two variables change together, indicating the strength and direction of their relationship.

Outliers

Observations that lie an abnormal distance from other values in a random sample from a population.

Regression

A statistical method used to determine the strength and character of the relationship between one dependent variable and one or more independent variables.

Foreign Born

Individuals who were born outside of the country in which they currently reside.