Question

Resolva as seguintes inequações.

a) (-x+2)(x+3) < 0
b) -x+2/x+3 ≥ 0
c)(x-3)(x+3)/-x+2 ≤ 0
d) -x+2/x+3 > 1
e) -2x+6/x+5 ≥ 0​

Answer 1

a)2x + 2 ≤ x + 1 ⇒

2x – x ≤ – 2 + 1 ⇒

x ≤ – 1

S = {x ∈ R | x ≤ – 1}