The Surface of a Machine Part Is the Region Between

question 17

Multiple Choice

The surface of a machine part is the region between the graphs of and as shown in the figure. Find k if the parabola is tangent to the graph of . Round your answer to three decimal places.

• A) 3.125
• B) 0.160
• C) 0.080
• D) 0.320
• E) 6.250

---

Definitions:

Stepwise Regression

An approach to constructing regression models where the selection of predictor variables is performed through an automated process.

Forward Selection

A stepwise regression approach where variables are sequentially added to an empty model based on their statistical significance in predicting the outcome.

Significant Contribution

An important or valuable addition or impact that significantly affects an outcome or process.

Stepwise Regression Technique

A method of fitting a regression model by adding or removing predictors based on a specified criterion.