$\text { An open box of maximum volume is to be made from a square piece of material } 22$

question 113

Multiple Choice

$\text { An open box of maximum volume is to be made from a square piece of material } 22$
centimeters on a side by cutting equal squares from the corners and turning up the sides (see figure) . Write the volume $V \text { as a function of } x \text {, the length of the corner squares. }$

• A) \(V = x ( 22 - 2 x ) ^ { 2 }\)
• B) \(V = x + ( 22 - x ) ^ { 2 }\)
• C) \(V = x ^ { 2 } + ( 22 - 2 x )\)
• D) \(V = x ^ { 2 } ( 22 - 2 x )\)
• E) \(V = x ( 22 - 2 x )\)

---

Definitions:

Grams

A metric unit of mass equal to one thousandth of a kilogram, often used to measure small quantities of material.

Materials Standards

The expected cost and quantity of materials required for the production of goods, used as a benchmark for evaluating performance.

Labour Hours

The total number of hours worked by employees during a specific period, often used to measure labor input in producing goods or services.

Variable Overhead Efficiency Variance

The difference between the actual variable overhead costs incurred and the expected (or standard) costs for the achieved level of production.