Write the Sum Using Summation Notation $$30 + 42 + 54 + 66 + 78$$

Multiple Choice

Write the sum using summation notation.
- $$30 + 42 + 54 + 66 + 78$$

A) $\sum _ { i = 1 } ^ { 6 } ( 12 \mathrm { i } + 18 )$

B) $\sum _ { i = 1 } ^ { 5 } ( 12 n + 18 )$

C) $\sum _ { i = 0 } ^ { 5 } ( 12 i + 18 )$

D) $\sum _ { \mathrm { i } = 1 } ^ { 5 } ( 12 \mathrm { i } + 18 )$