Vectors $\overrightarrow { \mathbf { M } }$ And $\overrightarrow { \mathrm { N } }$

question 94

Multiple Choice

Vectors $\overrightarrow { \mathbf { M } }$ and $\overrightarrow { \mathrm { N } }$ obey the equation $\overrightarrow { \mathbf { M } }$ + $\overrightarrow { \mathrm { N } }$ = 0. These vectors satisfy which one of the following statements?

• A)Vectors \(\overrightarrow { \mathbf { M } }\) and \(\overrightarrow { \mathrm { N } }\) are at right angles to each other.
• B)Vectors \(\overrightarrow { \mathbf { M } }\) and \(\overrightarrow { \mathrm { N } }\) point in the same direction.
• C)Vectors \(\overrightarrow { \mathbf { M } }\) and \(\overrightarrow { \mathrm { N } }\) have the same magnitudes.
• D)The magnitude of \(\overrightarrow { \mathbf { M } }\) is the negative of the magnitude of \(\overrightarrow { \mathrm { N } }\) .

---

Definitions:

Competitive Firm

A business operating in a market where it has little to no influence on the prices of its products or services due to the presence of many similar providers.

Average Revenue

Average revenue is the revenue earned per unit of output sold, calculated by dividing total revenue by the total number of units sold.

Fixed Cost

Fixed costs are business expenses that remain constant regardless of the levels of production or sales, such as rent, salaries, or loan payments.

Variable Cost

Costs that vary directly with the level of production or output.