Find the Inverse, If It Exists, for the Matrix $$\left[ \begin{array} { r r } 2 & 3 \\0 & - 1\end{array} \right]$$

question 237

Multiple Choice

Find the inverse, if it exists, for the matrix.
- $$\left[ \begin{array} { r r } 2 & 3 \\0 & - 1\end{array} \right]$$

• A)
• \[\left[ \begin{array} { r r }
• \frac { 1 } { 2 } & - \frac { 3 } { 2 } \\
• 0 & - 1
• \end{array} \right]\]
• B)
• \[\left[ \begin{array} { r r }
• 0 & - 1 \\
• \frac { 1 } { 2 } & \frac { 3 } { 2 }
• \end{array} \right]\]
• C)
• \[\left[ \begin{array} { r r }
• \frac { 1 } { 2 } & \frac { 3 } { 2 } \\
• 0 & - 1
• \end{array} \right]\]
• \[\left[ \begin{array} { r }
• - 1 \frac { 3 } { 2 } \\
• 0 \frac { 1 } { 2 }
• \end{array} \right]\]
• D)
• \(\left[\begin{array}{r}
• -1 \frac{3}{2} \\
• 0 \frac{1}{2}
• \end{array}\right]\)

Understand the use and significance of various punctuation marks and symbols in medical coding.

Identify and apply the correct use of seventh characters in coding for different scenarios.

Recognize the conditions under which certain diagnoses can be coded and the rules governing first-listed or principal diagnoses.

Distinguish between NEC and NOS in coding and when to use them appropriately.

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