Find the Sum or Difference $$( 4 + 9 i ) - ( - 8 + i )$$

question 382

Multiple Choice

Find the sum or difference. Write the answer in standard form.
- $$( 4 + 9 i ) - ( - 8 + i )$$

• A) \(12 + 8 i\)
• B) \(- 4 + 10 \mathrm { i }\)
• C) \(- 12 - 8 i\)
• D) \(12 - 8 \mathrm { i }\)

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Definitions:

Beta

A criterion for the volatility, or established risk, inherent in a security or portfolio ensemble in the context of the broader market.

Portfolio

A collection of financial investments like stocks, bonds, commodities, cash, and cash equivalents, including mutual funds and ETFs.

Risk-Free Asset

An investment with a guaranteed return and no possibility of default, typically associated with government bonds.

Market Return

The total gain or loss on an investment over a specified period, including dividends and capital gains.