Question

Which expression will always produce an odd integer if n is any integer?

A. N + 1
B.2n
C.2(n+3)
D.2n - 1

Answer 1

Please explain how

Answer 2

Use the process of elimination and try to replace all of them with several numbers until one fits the requirements

Answer 3

It's not a, since if n is 1 you would get 2

Answer 4

It's not b, since 2 times 3 is 6

Answer 5

It's not c, since 2(1 +3) = 8

Answer 6

Thanks!!!!

Answer 7

So it's d, through process of elimination.
2*1-1=1
2*2-1=3
2*3-1=4
And so on.

Answer 8

Can u medal me? Maybe fan 2?