Express the Sum Using Summation Notation $$15 + 19 + 23 + 27 + \ldots + 47$$

question 67

Multiple Choice

Express the sum using summation notation. Use a lower limit of summation, not necessarily 1, and k for the index of summation.
- $$15 + 19 + 23 + 27 + \ldots + 47$$

• A) \(\sum _ { k = 2 } ^ { 10 } 4 k + 7\)
• B) \(\sum _ { k = 1 } ^ { 10 } 4 k + 7\)
• C) \(\sum _ { k = 0 } ^ { 32 } 4 k + 7\)
• D) \(\sum _ { k = 2 } ^ { 32 } 4 k + 7\)

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Definitions:

Extensor Carpi Radialis Longus

A muscle of the forearm that aids in extending and abducting the wrist.

Extensor Digiti Minimi

A muscle in the forearm that functions to extend the little finger.

Rotator Cuff

Four deep muscles that attach the humerus to the scapula.

Infraspinatus

A thick triangular muscle located on the back of the shoulder which helps in the rotation and stabilization of the shoulder joint.