Write out the sum. Do not evaluate.
-$\sum _ { k = 1 } ^ { 4 } ( k + 4 )$
A) $5 + 6 + 7 + 8 + \ldots$
B) $8 + 9 + 10 + 11$
C) $5 + 6 + 7 + 8$
D) $4 + 5 + 6 + 7$

Question

Quizplus · Accepted Answer

The sum starts at $k = 1$ and ends at $k = 4$, with each term being $k + 4$. So, when $k = 1$, the term is $5$, and when $k = 4$, the term is $8$. Therefore, the sum is $5 + 6 + 7 + 8$.

Write Out the Sum ∑k=14(k+4)\sum _ { k = 1 } ^ { 4 } ( k + 4 )∑k=14​(k+4)

Write Out the Sum $\sum _ { k = 1 } ^ { 4 } ( k + 4 )$