Use a Graphing Calculator to Find the Inverse of the Matrix

question 74

Multiple Choice

Use a graphing calculator to find the inverse of the matrix. Give five decimal places, if necessary.
- $$\mathrm { A } = \left[ \begin{array} { c c c } 1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & - 5 / 6 & 8 / 7\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r r }
• - 1.10557 & 0.19216 & 0.77390 \\
• 0.34172 & 0.14061 & - 0.23920 \\
• 1.58861 & - 0.13028 & - 0.23703
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { l l l }
• 0 & 0 & 1 \\
• 0 & 1 & 0 \\
• 1 & 0 & 0
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { c c c }
• 3 & 3.5 & 1.25 \\
• 0.64706 & 5 & 0 \\
• 0.72222 & - 1.2 & 1.14286
• \end{array} \right]\]
• D)
• \[\left[ \begin{array} { r r r }
• 2.65952 & 0.15830 & - 1.86167 \\
• - 9.04238 & - 0.33824 & 6.32966 \\
• 3.37129 & 0.05484 & - 1.48490
• \end{array} \right]\]

Identify the tax implications of different business structures.

Learn the principles and limitations of the Fair Use doctrine.

Understand the requirement of an Employer Identification Number (EIN) for hiring employees.

Comprehend the extent of patent protection and the role of international trade agreements.

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Definitions:

ABC Analysis

An inventory categorization technique that divides items into three categories, A, B, and C, based on their value to the company, to optimize inventory management.

Inventory Levels

The quantity of stock on hand at any given time, which companies manage to meet customer demand without incurring unnecessary costs or losses.

Carrying Cost

The total cost of holding inventory, including warehousing, spoilage, depreciation, and opportunity costs.

Economic Order Quantity

A calculation to determine the most cost-effective quantity of inventory to order, balancing ordering costs with holding costs.