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f(x)=(2x2−1)+(5x−6)
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Solution
Dominio:−∞<x<∞
Rango:f(x)≥−818
Xintersecta:(1,0),(−72,0),Yintersecta:(0,−7)
Vértice:Mínimo(−54,−818)
Inverso:−5+√8x+814,−5−√8x+814
+1
Interval Notation
Dominio:(−∞,∞)
Rango:[−818,∞)
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Dominio de 2x2−1+5x−6:−∞<x<∞
Rango de 2x2−1+5x−6:f(x)≥−818
Puntos de intersección con el eje de 2x2−1+5x−6:X intersecta:(1,0),(−72,0),Y intersecta:(0,−7)