From the Graph of the Quadratic Function $f ( x ) = - x ^ { 2 } - 4 x - 9$

question 11

Short Answer

From the graph of the quadratic function $f ( x ) = - x ^ { 2 } - 4 x - 9$ , determine the equation of the axis of symmetry.

---

Definitions:

Marketable Securities

Liquid financial instruments that can be quickly converted into cash at a reasonable price, such as stocks and bonds.

Days' Sales in Receivables

A financial ratio that measures the average number of days it takes a company to collect payment after a sale has been made.

Accounts Receivable

Accounts receivable represents money owed to a company by its customers for goods or services delivered on credit.

Inventory Turnover

A measure of the number of times inventory is turned into goods sold during the year, computed by dividing the cost of goods sold by the average inventory.