Which of the following is the correct expanded form for the series? the sum from n is equal to 1 to 4 of open paren 3 plus 7 close paren
Answer
A
3 plus 3 squared plus 3 cubed plus 3 to the 4th power plus 7
B
open paren 3 times 1 close paren plus open paren 3 times 2 close paren plus open paren 3 times 3 close paren plus open paren 3 times 4 close paren
C
open paren 3 times 1 plus 7 close paren plus open paren 3 times 2 plus 7 close paren plus open paren 3 times 3 plus 7 close paren plus open paren 3 times 4 plus 7 close paren
D
open paren 7 plus 1 close paren plus open paren 7 plus 2 close paren plus open paren 7 plus 3 close paren plus open paren 7 plus 4 close paren