Sketch the Given Surface $$z = x ^ { 2 } + 4 y ^ { 2 }$$

question 215

Essay

Sketch the given surface.
- $$z = x ^ { 2 } + 4 y ^ { 2 }$$

---

Definitions:

Relevant Range

Relevant Range is the span of activity volume in which the assumptions about fixed and variable cost behavior are valid.

Variable Cost

Costs that vary directly with the level of production or business activity.

Machine Hour

A measure of production time, specifically the number of hours a machine is operated in the manufacturing process.

Fixed Cost

A cost that does not change with an increase or decrease in the amount of goods or services produced.