PLEASE HELP MEDAL WILL BE REWARDED!!!!!
Write the sum using summation notation, assuming the suggested pattern continues.

-1 + 2 + 5 + 8 + ... + 44

Question

PLEASE HELP MEDAL WILL BE REWARDED!!!!!
Write the sum using summation notation, assuming the suggested pattern continues.

-1 + 2 + 5 + 8 + ... + 44

anonymous · Answer

$$\sum_{i=1}^{i=16}-4+3i$$
i think

anonymous · Answer

Hmm, it doesnt look like its one of the answers i can choose from, ill give you all 4 again...

anonymous · Answer

$$\sum_{n=0}^{15}-3n$$

anonymous · Answer

no, that one doesn't seem right

anonymous · Answer

$$\sum_{n=0}^{15}(-1+3n)$$

anonymous · Answer

yea, that one

anonymous · Answer

$$\sum_{n=0}^{\infty}-3n$$

anonymous · Answer

no cause it doesn't go up to infinity

anonymous · Answer

OR! $$\sum_{n=0}^{\infty}(-1+3n)$$

anonymous · Answer

So it has to be the second one?

anonymous · Answer

yep

anonymous · Answer

it's the same thing to what i wrote but the n started at 0 not 1

anonymous · Answer

Oh okay, thank you so much, again :)

anonymous · Answer

np

anonymous · Answer

@Chelsea04 give me like 5 minutes i will have more questions!

anonymous · Answer

sure :) this is good revision for me :)