Question

Which of the following is a solution of the compound inequality -1 < 2n + 1 < 5? Answer

-1 < n < 5

n > 2 or n < -1

-1 < n < 2

n < -2 or n > 4

Answer 1

you need to know how to do it by yourself ! :) !

Answer 2

I'll show you kk ?!

Answer 3

ok :(

Answer 4

why ":(" you should be happy !:) !
we have \[-1<2n+1<5\]
\[-1 \color{green}{-1} <2n+1\color{green}{-1}<-5\color{green}{-1}\]

Answer 5

did you see what I've done ?

Answer 6

just answer the question please :) @senoritaliseth