Question

a) ⟦|x+2|- 3x ⟧=1

b)⟦ (5 + |2x-6|)/(x+2)-4⟧=0

Y MAYOR ENTERO.
⟦3x^2+9x-7 ⟧≥5
(|x-1|+ |x-2|)(|1-x|-|2-x|)≤x^2-6
|x^2-1|-|x+3|≤ |x-1|
|x^2-4|- |x-9|≤ |x-2|

Answer 1

Respuesta:

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