Express the Sum Using Summation Notation $$2 + 8 + 18 + \ldots + 50$$

question 68

Multiple Choice

Express the sum using summation notation. Use 1 as the lower limit of summation and i for the index of summation.
- $$2 + 8 + 18 + \ldots + 50$$

• A) \(\sum _ { i = 1 } ^ { 5 } i ^ { 2 }\)
• B) \(\sum _ { i = 0 } ^ { 5 } 2 i ^ { 2 }\)
• C) \(\sum _ { i = 1 } ^ { 5 } 2 ^ { 2 } \mathrm { i }\)
• D) \(\sum _ { i = 1 } ^ { 5 } 2 i ^ { 2 }\)