Problem Solving

Which of the following inequalities has a solution set that, when graphed on the number line, is a single line segment of finite length.

x^4 >or equal to 1
x^3 <or equal to 27
x^2 > or equal to 16
2 <or equal to abs value of x <or equal to 5
2 <or equal to 3x + 4 <or equal to 6

The answer is E. Could anybody tell me what's the best approach to this question?

This question has been answered many times before:

https://www.beatthegmat.com/which-of-the ... 22695.html

https://www.beatthegmat.com/inequality-t35705.html

Please do a quick search for keywords before posting a question. It's one of the house rules.