Express the Sum Using Summation Notation $$2 + 8 + 18 + \ldots + 50$$

question 37

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$2 + 8 + 18 + \ldots + 50$$

• A) \(\sum _ { i = 1 } ^ { 5 } 2 i ^ { 2 }\)
• B) \(\sum _ { i = 0 } ^ { 5 } 2 i ^ { 2 }\)
• C) \(\sum _ { i = 1 } ^ { 5 } i ^ { 2 }\)
• D) \(\sum _ { i = 1 } ^ { 5 } 2 ^ { 2 }\)

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Definitions:

Cupulae

Gelatinous, dome-shaped structures found in the semicircular canals of the inner ear, crucial for detecting rotational movements of the head.

Papilla

Small, nipplelike process; projection of the dermis, containing blood vessels and nerves, into the epidermis; projections on the surface of the tongue.

Fovea Centralis

A small depression in the retina of the eye where visual acuity is highest, containing a high density of cone cells for color vision.

Posterior Retina

The innermost, light-sensitive part of the eye located at the back, responsible for processing visual information.