Use the Matrix Capabilities of a Graphing Utility to Find

question 54

Multiple Choice

Use the matrix capabilities of a graphing utility to find AB, if possible. $A = \left[ \begin{array} { c c } 3 & 2 \\6 & 2 \\1 & - 4 \\5 & 7\end{array} \right] , B = \left[ \begin{array} { c c c c } - 8 & 4 & - 1 & - 2 \\3 & 3 & - 4 & - 9\end{array} \right]$

• A) \(\left[ \begin{array} { c c c c }
• - 18 & 18 & - 11 & - 24 \\
• - 42 & 30 & - 14 & - 30 \\
• - 20 & - 8 & 15 & 34 \\
• - 19 & 41 & - 33 & - 73
• \end{array} \right]\)
• B) \(\left[ \begin{array} { c c c c }
• - 18 & - 42 & - 20 & - 19 \\
• 18 & 30 & - 8 & 41 \\
• - 11 & - 14 & 15 & - 33 \\
• - 24 & - 30 & 34 & - 73
• \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c c }
• - 30 & 6 & 5 & 12 \\
• - 54 & 18 & 2 & 6 \\
• 4 & 16 & - 17 & - 38 \\
• - 61 & - 1 & 23 & 53
• \end{array} \right]\)
• D) \(\left[ \begin{array} { c }
• - 18 \\
• 30 \\
• - 29 \\
• - 73
• \end{array} \right]\)
• E)not possible

---

Definitions:

Due Date

The specified date by which a payment, assignment, or project must be completed or submitted.

Cash Discount

A reduction in the price of goods or services offered by the seller to encourage prompt payment by the buyer.

Discount Date

The date on which a payment is to be made earlier than its originally scheduled due date at a reduced rate.

Due Date

the specified date by which a payment, task, or project is to be completed or submitted.