The Sizes of Two Matrices a and B Are Given $A$

question 88

Multiple Choice

The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, whenever these
products exist.
- $A$ is $2 \times 2$ , and $B$ is $2 \times 2$ .

• A) \( 4 \times 2 ; 4 \times 2 \)
• B) \( 2 \times 2 ; 2 \times 2 \)
• C) \( 2 \times 4 ; 2 \times 4 \)
• D) \( 1 \times 1 ; 1 \times 1 \)

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Definitions:

Income Statement

A financial statement that summarizes a company's revenues, expenses, and profits or losses over a specific period.

Contribution Format

An income statement format that separates fixed and variable costs to illustrate their impact on net income.

Income Statement

A financial report that shows the revenue, expenses, and profits (or losses) of a company over a specific period of time.

Degree of Operating Leverage

A ratio that quantifies the sensitivity of a company's operating income to its sales volume, indicating the impact of fixed and variable costs.