Write Sigma Notation $$0 + 2 + 6 + 12 + 20$$

question 35

Multiple Choice

Write sigma notation.
- $$0 + 2 + 6 + 12 + 20$$

• A) \(\sum _ { i = 1 } ^ { 5 } ( 2 i - 2 )\)
• B) \(\sum _ { i = 1 } ^ { 5 } \left( i ^ { 2 } - i \right)\)
• C) \(\sum _ { i = 1 } ^ { 5 } ( 2 i + 2 )\)
• D) \(\sum _ { i = 1 } ^ { 5 } \left( i ^ { 2 } + i \right)\)

---

Definitions:

Hamer v. Sidway

A landmark case in contract law regarding forbearance as consideration, where a promise not to do something can be as legally binding as a promise to do something.

Unforeseen Circumstances

Situations or events that could not have been predicted or expected, often leading to disruptions in agreements or plans.

Preexisting Duty Rule

A legal principle stating that an existing contractual obligation cannot serve as consideration for a new contract.

Bilateral Contract

A bilateral contract is a mutually binding agreement in which each party makes a promise to the other, such as a promise to perform a service in exchange for payment.