Rewrite the Series Using Summation Notation $$2 + 4 + 6 + \ldots + 18$$

Multiple Choice

Rewrite the series using summation notation. Use 1 as the lower limit of summation.
- $$2 + 4 + 6 + \ldots + 18$$

A) $\sum _ { i = 1 } ^ { 9 } 2 ( \mathrm { i } - 1 )$
B) $\sum _ { i = 1 } ^ { 9 } 2 i$
C) $\sum _ { i = 1 } ^ { 9 } 2$
D) $\sum _ { i = 1 } ^ { 9 } \mathrm { i } + 2$