Use Descartes's Rule of Signs to Determine the Possible Number $$f ( x ) = 7 x ^ { 4 } - 8 x ^ { 3 } + x ^ { 2 } - 3.5 x + 16$$

question 345

Multiple Choice

Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given
function.
- $$f ( x ) = 7 x ^ { 4 } - 8 x ^ { 3 } + x ^ { 2 } - 3.5 x + 16$$

• A) 4,2 or 0 positive zeros, no negative zeros
• B) 4 or 2 positive zeros, no negative zeros
• C) 4,2 or 0 positive zeros, 1 negative zeros
• D) 4 positive zeros, no negative zeros

---

Definitions:

Specific Invoice Method

An accounting method for managing inventory by tracking the cost associated with each specific unit of inventory.

Sale Items

Products that are offered to customers at a reduced price for a promotional or clearance purpose.

Specific Invoice Method

A method used in inventory and cost accounting to specifically track the cost associated with individual inventory items.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including material and labor expenses.