Solve
-The Formula $\mathrm { P } = 14.7 \mathrm { e } ^ { 0.21 \mathrm { x } }$

question 286

Multiple Choice

Solve.
-The formula $\mathrm { P } = 14.7 \mathrm { e } ^ { 0.21 \mathrm { x } }$ gives the average atmospheric pressure $\mathrm { P }$ , in pounds per square inch, at an altitude $x$ , in miles above sea level. Find the elevation of a jet if the atmospheric pressure outside the jet is $7.5$ pounds per square inch.

• A) \(- 0.1\) miles
• B) \(- 3.2\) miles
• C) \(3.6\) miles
• D) \(71.0\) miles

---

Definitions:

Marginal Revenue

The enhanced earnings from selling an additional unit of a product or service.

Pure Competition

A market structure characterized by a large number of firms, all producing identical products, and no single firm has any influence over market price.

Extra Unit

The additional quantity of a product or service that is produced or provided.

Purely Competitive Firm

A company operating in a market where there are many buyers and sellers, all selling identical products, and no single buyer or seller can influence the market price.