Answer
a)
$ x - 2 < 0$
$ x - 4 > 0$
$ x - 3 \leq 0$
$ x - 1 \geq 0 $
b) See the attached screenshot of the inequality graphs.
Work Step by Step
a)
$ x - 2 < 0$
$ x - 2 (+2) < 0 (+2)$
$ x < 2$
$ x - 4 > 0$
$ x - 4 (+4) > 0 (+4)$
$ x > 4$
$ x - 3 \leq 0$
$ x - 3 (+3) \leq 0 (+3)$
$ x \leq 3$
$ x - 1 \geq 0 $
$ x - 1 (+1) \geq 0 (+1) $
$ x \geq 1 $