Question

Which of the following is equivalent to ( i have to draw it)

Answer 1

\[\sum_{n=3}^{5}2n+3\]
options:

42
33
38
22

Answer 2

ok well substitute each of the integers from 3 to 5 in

Answer 3

and add the answers you get

Answer 4

you only have 3 terms here so just write them and add them up:
[2(3)+3] + [2(4)+3] + [2(5)+3] =

Answer 5

ummm

Answer 6

33?

Answer 7

2(3)+3 =
2(4)+3 =
2(5)+3=

can you find those?