Use a Graphing Calculator to Find the Matrix Product And/or $\mathrm{A}(\mathrm{B}+\mathrm{C})$

question 6

Multiple Choice

Use a graphing calculator to find the matrix product and/or sum.
-Find $\mathrm{A}(\mathrm{B}+\mathrm{C})$ .
$$A=\left[\begin{array}{rrrr}19 & -14 & 18 & 18 \\30 & 5 & -7 & 2 \\11 & 3 & -2 & 1 \\-5 & 32 & 5 & 10\end{array}\right] B=\left[\begin{array}{rrr}5 & 17 & 12 \\7 & 6 & -4 \\-12 & -9 & 15 \\3 & -2 & -14\end{array}\right] C=\left[\begin{array}{rrr}7 & -4 & 3 \\-16 & -19 & 20 \\-6 & -15 & -8 \\5 & 16 & 17\end{array}\right]$$

• A) \( \left[\begin{array}{rrr}174 & 249 & 241 \\ 457 & 521 & 487 \\ 149 & 166 & 202 \\ -358 & -461 & 502\end{array}\right] \quad \)
• B) \( \left[\begin{array}{rrr}-158 & 37 & 305 \\ 259 & 580 & 297 \\ 97 & 206 & 88 \\ 174 & 58 & -28\end{array}\right] \)
• C)\( \left[\begin{array}{rrr}174 & 37 & 305 \\ 457 & 521 & 487 \\ 97 & 206 & 88 \\ 174 & -461 & 502\end{array}\right] \)
• D) Does not exist

Identify key theories concerning motivation, behavior, and cognition within group dynamics and their central assumptions.

Understand the psychological and evolutionary benefits and liabilities of social connections.

Comprehend the distinctions between communal and exchange orientations in social relationships.

Analyze the emotional impact of social rejection and inclusion.