Decide Whether the Following Problem Can Be Solved Using Precalculus

question 20

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:

Units

Basic measures or quantities of product or service in business, used in accounting and production.

Least-Squares Regression Method

Least-Squares Regression Method is a statistical technique used to determine the line of best fit by minimizing the sum of the squares of the differences between the observed and predicted values.

Cost Behavior

The study of how specific costs respond to changes in the level of business activity, categorized into fixed, variable, and mixed costs.

High-Low Method

A technique used in cost accounting to estimate fixed and variable costs based on the highest and lowest levels of activity.