Question: 2. Graficar. b) d) f) O) j) l) n) O) f (r) 3/10 +1) fix) f(x) sgn(x) [2xl [-2x1 -x-lxl = x: +3 sng(x)

2. Graficar. b) d) f) O) j) l) n) O) f (r) 3/10 +1) fix) f(x) sgn(x) [2xl [-2x1 -x-lxl = x: +3 sng(x) 3. Considerando ReR . hallarel conjuntosducinpara: C. sgn(x: 4) l lx:l-l
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