Decide Whether or Not the Matrices Are Inverses of Each $\left[ \begin{array} { c c } - 5 & 1 \\ - 7 & 1 \end{array} \right]$

question 37

Multiple Choice

Decide whether or not the matrices are inverses of each other.
- $\left[ \begin{array} { c c } - 5 & 1 \\ - 7 & 1 \end{array} \right]$ and $\left[ \begin{array} { l } \frac { 1 } { 2 } - \frac { 1 } { 2 } \\ \frac { 7 } { 2 } - \frac { 5 } { 2 } \end{array} \right]$

• A)No
• B) Yes

Grasp the importance of inventory management and the impact of the supply chain on a firm's cost strategy.

Recognize the relevance of supply-chain management in service firms and the implications for outsourcing and offshoring.

Appreciate the ethical considerations and challenges in supply-chain management, particularly in a global context.

Determine how technology and innovation influence supply-chain efficiency and competitive advantage.

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Definitions:

Coupon Bond

A type of bond that pays the holder a fixed interest amount (coupon) at regular intervals until maturity, at which point the principal amount is returned.

Current Yield

The annual income (interest or dividends) earned from a security, expressed as a percentage of its current market price.

Trading

The act of buying and selling securities in financial markets, either for personal investment or on behalf of an institution.

Coupon Bond

A type of bond that pays the holder a fixed interest payment (coupon) at regular intervals until the bond's maturity, when the principal is repaid.