$\text { Find the value of the derivative (if it exists) of the function } f ( x ) = 15 - | x | \text { at the }$

question 9

Multiple Choice

$\text { Find the value of the derivative (if it exists) of the function } f ( x ) = 15 - | x | \text { at the }$ extremum point $( 0,15 )$

• A) 13
• B) 0
• C) 15
• D) \(- 15\)
• E) does not exist

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Definitions:

Equity

The value of an ownership interest in property, including shareholders' equity in a company, represented by the assets minus liabilities.

Revenues

The total amount of money generated by the sale of goods, services, or other income for a company before any expenses are deducted.

Equity

The value of an asset after deducting the amount of all liabilities on that asset, representing an owner's interest in a company.

Expenses

Costs incurred by a business in the process of earning revenue, including costs such as rent, utilities, and salaries.