Use Graphing Calculator to Find the Inverse of the Matrix $$A=\left[\begin{array}{ccc}1 / 3 & 2 / 7 & 4 / 5 \\17 / 11 & 5 & 0 \\18 / 13 & -5 / 6 & 8 / 7\end{array}\right]$$

question 11

Multiple Choice

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

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

---

Definitions:

Attentional Resources

Cognitive capacity or energy available at a given time for processing information and performing tasks.

Inattentional Blindness

A psychological lack of attention wherein an individual fails to perceive an unexpected stimulus in plain sight.

Working-Memory Capacity

Working-memory capacity is the amount of information that an individual can hold temporarily in a readily accessible state for cognitive tasks.

Executive Functioning

Cognitive processes that include planning, making decisions, implementing strategies, inhibiting inappropriate behaviors, and using working memory to process information.