Determine the X Values That Cause the Polynomial Function to Be

question 176

Multiple Choice

Determine the x values that cause the polynomial function to be (a) zero, (b) positive, and (c) negative.
- $$f ( x ) = ( x - 7 ) ( 3 x + 5 ) ( x + 2 )$$

• A) (a) \(\left\{ - 2 , - \frac { 5 } { 3 } , 7 \right\}\), (b) \(( \infty , - 2 ) \cup \left( - \frac { 5 } { 3 } , 7 \right)\), (c) \(\left( - 2 , - \frac { 5 } { 3 } \right) \cup ( 7 , \infty )\)
• B) (a) \(\left\{ - 2 , - \frac { 5 } { 3 } , 7 \right\}\) (b) \(\left( - 2 , - \frac { 5 } { 3 } \right) \cup ( 7 , \infty )\), (c) \(( \infty , - 2 ) \cup \left( - \frac { 5 } { 3 } , 7 \right)\)
• C) (a) \(\{ - 2 , - 5,7 \rangle\), (b) \(( - 2 , - 5 ) \cup ( 7 , \infty )\), (c) \(( \infty , - 2 ) \cup ( - 5,7 )\)
• D) (a) \(\left\{ - 2 , - \frac { 5 } { 3 } , 7 \right\}\) (b) \(( - 2,7 )\), (c) \(( * , - 2 ) \cup ( 7 , \infty )\)

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Definitions:

Weighted Average

A calculation that takes into account the varying degrees of importance or sizes of components in a dataset, providing a measure that reflects their relative contributions.

Inventory Costing Methods

Techniques used to determine the cost of inventory sold and remaining in stock, including FIFO, LIFO, and average cost methods.

Periodic Inventory System

An inventory accounting system where updates to the inventory accounts are made periodically, typically at the end of an accounting period, rather than continuously.

Physical Inventory

A detailed listing of merchandise on hand.