Find the Sum Using the Formulas for the Sums of Powers

question 40

Multiple Choice

Find the sum using the formulas for the sums of powers of integers.​ $$\sum _ { i = 1 } ^ { 7 } \left( 5 i - 8 i ^ { 3 } \right)$$ ​

• A)-784
• B)-3,136
• C)4,200
• D)5,600
• E)-6,132

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Definitions:

Cognitive Psychology

A branch of psychology that studies mental processes including how people think, perceive, remember, and learn.

Natural Drive

Intrinsic motivations or biological imperatives that guide behavior, such as hunger, thirst, or the drive for survival.

Carl Rogers

A pioneering psychologist known for developing client-centered therapy and emphasizing the importance of the self and unconditional positive regard.

Superiority

A belief in or perception of being better or more important than others.