Use the Five-Step Strategy for Solving Word Problems to Find $y _ { 1 } = \frac { 1 } { x + 7 } , y _ { 2 } = \frac { 1 } { x + 4 } , y _ { 3 } = \frac { - 3 } { x ^ { 2 } + 11 x + 28 }$

question 164

Multiple Choice

Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
- $y _ { 1 } = \frac { 1 } { x + 7 } , y _ { 2 } = \frac { 1 } { x + 4 } , y _ { 3 } = \frac { - 3 } { x ^ { 2 } + 11 x + 28 }$ , and the sum of $y _ { 1 }$ and 3 times $y _ { 2 }$ is $y _ { 3 }$ .

• A) \(\{ 0 \}\)
• B) \(\{ - 7 \}\)
• C) \(\{ 4 \}\)
• D) \(\varnothing\)

---

Definitions:

Perfected Security Interest

A legal state where a creditor has taken all necessary steps required by law to enforce a security interest against the debtor's collateral in case of default.

Purchase Money Security Interest

A legal claim or lien on collateral that secures payment of the debt used to buy the collateral, often applied in context with the sale of personal property.

Good Faith

The sincere intention to be fair, open, and honest, regardless of the outcome of the interaction.

Ordinary Course

Pertains to regular business activities and operations conducted by an entity under normal circumstances.