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

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) $\sum _ { \mathrm { k } = 8 } ^ { 12 } \frac { \mathrm { k } } { 2 }$
C) $\sum _ { k = 1 } ^ { 15 } \frac { k } { 2 }$
D) $\sum _ { k = 2 } ^ { 15 } \frac { k } { 2 }$