Find All Real Values Of $x$ Such That $f ( x ) = 0$

question 55

Multiple Choice

Find all real values of $x$ such that $f ( x ) = 0$ .
$$f ( x ) = \frac { - 3 x - 2 } { 5 }$$

• A) \(- \frac { 2 } { 15 }\)
• B) \(\pm \frac { 2 } { 15 }\)
• C) \(\pm \frac { 2 } { 3 }\)
• D) \(- \frac { 2 } { 3 }\)
• E) \(\frac { 2 } { 3 }\)

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Definitions:

Treynor-Black Model

An optimization tool used by portfolio managers to balance the trade-off between risk and return by combining actively selected securities with a passively managed market portfolio.

Nonsystematic Risk

The risk associated with a specific issuer of a security, industry, or sector, which can be mitigated through diversification.

Systematic Risk

The risk inherent to the entire market or entire market segment, which cannot be mitigated through diversification.

Purely Passive Strategy

An investment strategy that involves no active management and typically focuses on investing in index funds to replicate market returns.