A Solid Is Generated by Revolving the Region Bounded by

question 9

Multiple Choice

A solid is generated by revolving the region bounded by and about the y-axis. A hole, centered along the axis of revolution, is drilled through this solid so that one-third of the volume is removed. Find the diameter of the hole. Round your answer to three decimal places.

• A) 11.547
• B) 5.774
• C) 4.867
• D) 18.838
• E) 9.734

---

Definitions:

Marginal Costs

The cost associated with producing one additional unit of a product or service.

Variable Costs

Expenses that change in proportion to the activity or volume of operations in a business.

Fixed Costs

Fixed charges that are unaffected by changes in production volume, including rental fees and payrolls.

Variable Cost Curve

The variable cost curve shows the relationship between total variable cost and the level of a firm's output, demonstrating how costs fluctuate with changes in production.