Express the Sum Using Summation Notation

question 73

Multiple Choice

Express the sum using summation notation.
-3 + 6 + 9 + ... + 21

---

Definitions:

Bearish

Pertaining to or indicating negative expectations for a particular market, security, or economy, expecting prices to fall.

Behavioral Finance

A field of study that examines psychological influences and biases on the financial behaviors of investors and financial markets.

Irrationality

A decision-making process that deviates from logic or reason.

Cumulative Breadth

A technical analysis tool that measures the advancing and declining stocks on an exchange to assess market direction.