Find the Partial Sum of the Given Sequence $_ { 20 }$

question 120

Multiple Choice

Find the partial sum of the given sequence.
-S $_ { 20 }$ of the sequence $\mathrm { a } _ { \mathrm { n } } = - 1 + 7 ( \mathrm { n } - 1 )$

• A) 1380
• B) 1310
• C) 1245
• D) 1035

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Definitions:

Validation Rule

A set of criteria applied to a field or record in a database to ensure that entered data conforms to specified requirements.

Append Only

A property of computer files or databases where data can be added but existing entries cannot be modified or deleted, ensuring integrity and continuity of the original data.

Required

Something deemed necessary or obligatory for a particular purpose or to achieve a result.