Question

What is the sum of the first n terms of this series?

4 + 6 + 8 + 10 + 12 + ⋯

Answer 1

notice when i=1 the term is 4, that will eliminate a couple answers off the bat

Answer 2

They are asking for a sum up to nth term...

\[\sum_{1}^{n}\]

Answer 3

so if it doesn't equal 4 then I should eliminate that answer?

Answer 4

Right, let i=1 and calculate the ( ) Quantity...

Answer 5

Notice that each term increases by 2, that helps choose...

( something +2 ) maybe

Answer 6

C?

Answer 7

yes, the third one, but i sorta gave you the answer with those two infos, sorry

Answer 8

since it's n instead of the infinity symbol and it's 2+2

Answer 9

right, they want n terms, not the infinite sum

Answer 10

I'm slow enough that I don't realize those things, lol. Thank you for your assistance!! xoxo.

Answer 11

no prob,, goodluck