Express the Sum Using Summation Notation with a Lower Limit $\sum _ { k = 0 } ^ { 32 } 7 + 4 k$

Multiple Choice

Express the sum using summation notation with a lower limit of summation not necessarily 1 and with k for the index of
summation.
-7 + 11 + 15 + 19 + ... + 47 A) $\sum _ { k = 0 } ^ { 32 } 7 + 4 k$
B) $\sum _ { k = 1 } ^ { 10 } 7 + 4 k$
C) $\sum _ { k = 1 } ^ { 10 } 7 k + 4$
D) $\sum _ { k = 0 } ^ { 10 } 7 + 4 k$