Express the Sum Using Summation Notation with a Lower Limit $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + \frac { 15 } { 2 }$$

question 150

Multiple Choice

Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of
summation.
- $$4 + \frac { 9 } { 2 } + 5 + \frac { 11 } { 2 } + \ldots + \frac { 15 } { 2 }$$

• A) \(\sum _ { k = 8 } ^ { 15 } \frac { k } { 2 }\)
• B) \(\sum _ { k = 8 } ^ { 12 } \frac { \mathrm { k } } { 2 }\)
• C) \(\sum _ { \mathrm { k } = 1 } ^ { 15 } \frac { \mathrm { k } } { 2 }\)
• D) \(\sum _ { k = 2 } ^ { 15 } \frac { \mathrm { k } } { 2 }\)

---

Definitions:

Cerebellum

A part of the brain located at the back of the skull, primarily responsible for coordinating movement and balance.

Medulla

A specific area within the brainstem that controls vital bodily functions such as heart rate, breathing, and blood pressure.

Wrinkled

Having lines or creases on the skin or surface of an object, often associated with aging or the effects of drying or damage.

Medulla

A part of the brainstem that controls vital bodily functions such as breathing, heart rate, and blood pressure.