Question

Resolva
a) 2x-1>5
-x-2<_0
b) x+1<_3x-5<7x-3
c) -1<_2x-3<_3

Answer 1

a)log10 (x² + 2) > log10 (2x – 1) é x > ½.

B)S = {x

c)1/3, 7/4[.