The Sizes of Two Matrices Are Given $4 \times 1$ ; B Is

question 500

Multiple Choice

The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product
can be calculated.
-A is $4 \times 1$ ; B is $4 \times 1$

• A) \(\mathrm { AB }\) is \(4 \times 4\); BA is \(1 \times 1\).
• B) AB cannot be calculated; BA cannot be calculated.
• C) \(\mathrm { AB }\) is \(1 \times 4\); \(\mathrm { BA }\) is \(4 \times 1\).
• D) \(\mathrm { AB }\) is \(4 \times 1\); BA is \(1 \times 4\).

Recognize the role and types of innate defenses against disease.

Understand the function of regulatory T cells (Tregs) in maintaining immune tolerance.

Detail the initial steps in the inflammatory response to injury or infection.

Analyze strategies for immunosuppression and the reasoning behind vaccine effectiveness.

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