Respuesta :

upandover

a) [tex]-4\geq x\geq -1[/tex]

x <= -4 and x >= -1

b) [tex]2<x\leq 4[/tex]

x > 2 and x <= 4

c) [tex]3 > x > 9[/tex]

x < 3 and x > 9

d) [tex]-5 \leq x < 0[/tex]

x >= -5 and x < 0

Hope this helps!