Use the Formula for the Sum of the First N $$\sum _ { i = 1 } ^ { 42 } ( 2 i + 3 )$$

question 22

Multiple Choice

Use the formula for the sum of the first n terms of an arithmetic sequence to find the indicated sum.
- $$\sum _ { i = 1 } ^ { 42 } ( 2 i + 3 )$$

• A) 1932
• B) 1890
• C) 2100
• D) 2247

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