Solve this inequality as you would a normal equation, by adding 1
and dividing by 2:
5 < 2x - 1 < 9
6 < 2x < 10
3 < x < 5
Since 9/2 = 4.5, and x can be anything between 3 and 5, x
can either be less than, equal to, or greater than 4.5. The answer
is therefore D.