TAREA 2

Desigualdades.

a) 3-2/3x ≤1

(-2/3x ≤1-3) (-1)
2/3x≥2
x≥ 2/1 / 2/3
x ≥ 6/2
x ≥ 3

c.s. [3,∞)

b) 2x-1 ≤ 2x+4

2x-2x≤4+1
0≤5

c.s (0,5]

c) 1/3x+1/2 <>

1/3x+5/2x < color="#6600cc">c.s. (-∞, 1/17)

d) x/2< -5x+2/3

(x/2<-5x+2/3) (6) 3x+30x<4 color="#6600cc">.s. (-∞, 4/33)

e) 3 > 6-3/5x ≥ 1

3-6 > -3/5x ≥ 1-6
(-3 >-3/5x ≥-5) (-1)
3< color="#6600cc">c.s. (5, 25/3 ]