question 77

Short Answer

$$\text { Let } f ( x ) = x ^ { 2 } - 18 x + 75 \text { and } g ( x ) = \sqrt { x + 7 } \text {. Find } ( f \circ g ) ( 74 ) ( g \circ g ) ( 74 ) \text {. }$$

---

Definitions:

Variable Cost

Costs that vary in direct proportion to changes in levels of production or business activity, such as materials and labor.

Fixed Cost

A cost that does not change with the volume of sales.

Fixed Costs

Expenses that do not change in proportion to the activity of a business, such as rent, salaries, and loan payments.

Variable Costs

Costs that vary directly with the level of production or sales, such as materials and labor.