Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of
summation.
-13 + 16 + 19 + 22 + ... + 37
A) $\sum _ { k = 1 } ^ { 10 } 7 + 3 k$

B) $\sum _ { k = 0 } ^ { 24 } 7 + 3 k$

C) $\sum _ { k = 2 } ^ { 24 } 7 + 3 k$

D) $\sum _ { k = 2 } ^ { 10 } 7 + 3 k$

Question

Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of
summation.
-13 + 16 + 19 + 22 + ... + 37
A) $\sum _ { k = 1 } ^ { 10 } 7 + 3 k$

B) $\sum _ { k = 0 } ^ { 24 } 7 + 3 k$

C) $\sum _ { k = 2 } ^ { 24 } 7 + 3 k$

D) $\sum _ { k = 2 } ^ { 10 } 7 + 3 k$

Quizplus · Accepted Answer

The sequence starts at 13, which can be expressed as $7 + 3(2)$, indicating the sequence starts with $k=2$. The sequence ends at 37, which is the 10th term, hence the upper limit is 10. The formula $7 + 3k$ correctly generates the sequence when $k$ starts from 2 and goes up to 10.

Express the Sum Using Summation Notation with a Lower Limit ∑k=1107+3k\sum _ { k = 1 } ^ { 10 } 7 + 3 k∑k=110​7+3k

Express the Sum Using Summation Notation with a Lower Limit $\sum _ { k = 1 } ^ { 10 } 7 + 3 k$