Use Descartes's Rule of Signs to Determine the Possible Number $$f ( x ) = - 10 x ^ { 7 } - 3 x ^ { 6 } - 1.5 x ^ { 5 } + 9 x ^ { 4 } + x + 6$$

question 445

Multiple Choice

Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given
function.
- $$f ( x ) = - 10 x ^ { 7 } - 3 x ^ { 6 } - 1.5 x ^ { 5 } + 9 x ^ { 4 } + x + 6$$

• A) 1 positive zero, 4,3 or 1 negative zeros
• B) 1 positive zero, 2 or 0 negative zeros
• C) 1 positive zero, 4 or 2 negative zeros
• D) 1 positive zero, 3 or 1 negative zeros

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Definitions:

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The total cost directly tied to the production of the goods sold by a company, including materials and labor.

Inventory on August 1

The quantity and value of goods available for sale or use by a business at the start of August, often used for financial or supply chain analysis.

Perpetual LIFO

A method of inventory valuation where the last item of inventory purchased is assumed to be the first sold, continuously updated for each sale and purchase.

Cost of Goods Sold

Direct expenditures connected with fabricating the products a business sells, encompassing labor and material expenses.