Find All Critical Numbers

question 81

Multiple Choice

Find all critical numbers. Then use a graph to determine whether the critical numbers represent a local maximum, local minimum, or neither.

• A) (local maximum), (neither), (local minimum)
• B) (local maximum), (local maximum), (local minimum)
• C) (local maximum), (local minimum)
• D) (local minimum), (local maximum)

---

Definitions:

Porosity

A measure of how much of a rock is open space, which can hold water, oil, or gas.

Dry

indicates a lack of moisture or water content.

Uncompacted Clay

Clay that has not been compressed, retaining a high water content and low strength.

Unsaturated Zone

The layer of ground above the water table where soil and rock particles are not fully saturated with water.