Evaluate the Expression A) $\left[ \begin{array} { c } - 10 \\ - 2 \\ 10 \end{array} \right]$

question 44

Multiple Choice

Evaluate the expression.
$\left[ \begin{array} { c } - 5 \\- 1 \\5\end{array} \right] \left( \left[ \begin{array} { l l } 9 & - 7\end{array} \right] + \left[ \begin{array} { l l } - 7 & - 8\end{array} \right] \right)$

• A) \(\left[ \begin{array} { c } - 10 \\ - 2 \\ 10 \end{array} \right]\)
• B) \(\left[ \begin{array} { c c } - 10 & 75 \\ - 2 & 15 \\ 10 & - 75 \end{array} \right]\)
• C) \(\left[ \begin{array} { c c c } - 10 & - 2 & 10 \\ 75 & 15 & - 75 \end{array} \right]\)
• D) \(\left[ \begin{array} { c c c c } - 45 & 35 & 35 & 40 \\ - 9 & 7 & 7 & 8 \\ 45 & - 35 & - 35 & - 40 \end{array} \right]\)
• E) not possible

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Definitions:

Complementary Goods

Complementary Goods are products or services that are often used together, where the demand for one increases the demand for the other, like smartphones and data plans.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded at those prices.

Price

The charge established, required, or paid in exchange for an object.

Demand Curve

Graphically illustrates the quantity of a product or service consumers are willing to buy at various price points, underlining the inverse relationship between price and demand.