Express the Sum Using Summation Notation $$3 + 12 + 27 + \ldots + 75$$

Multiple Choice

Express the sum using summation notation.
- $$3 + 12 + 27 + \ldots + 75$$

A) $\sum _ { \mathrm { k } = 1 } ^ { 5 } 3 ^ { 2 } \mathrm { k }$

B) $\sum _ { \mathrm { k } = 0 } ^ { 5 } 3 \mathrm { k } ^ { 2 }$

C) $\sum _ { k = 1 } ^ { 5 } k ^ { 2 }$

D) $\sum _ { k = 1 } ^ { 5 } 3 k ^ { 2 }$