Question

NEED HELP PLEASE!!!

Look at pic for question below

Answer 1

i think you can do it by your self, just try

Answer 2

i) \[\sum_{1}^{5}(2k+3) = [2(1)+3)]+[2(2)+3)]+[2(3)+3)]+[2(4)+3)]+[2(5)+3)]\]

Answer 3

plugin 1 and get a value, plugin 2 and get a value,......and find alll terms beginning from lowest to highest and add them all

Answer 4

and this will give you
5+7+9+11+13

Answer 5

Guys, I think we should give hint's before writing actual answer

Answer 6

try the second one and tell me what you get so that i check it for you

Answer 7

at least for these types of questions