Solve the System $\left(\begin{array}{rl}4 x+3 y-4 z & =-15 \\3 x-3 y+4 z & =43 \\5 y+z & =-21\end{array}\right)$

question 41

Short Answer

Solve the system. $\left(\begin{array}{rl}4 x+3 y-4 z & =-15 \\3 x-3 y+4 z & =43 \\5 y+z & =-21\end{array}\right)$

---

Definitions:

Output

The amount of goods and services produced by a business, industry, or economy.

Marginal Cost

The cost added by producing one additional unit of a product or service, important for decision-making in resource allocation.

Average Total Cost

The total cost of production divided by the quantity of output produced; it includes all fixed and variable costs.

Average Total Cost

The total cost of production divided by the quantity produced, indicating the average cost per unit of output.