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Home > CCA2S > Chapter 2 > Lesson 2.2.2 > Problem 2-108

2-108.

Halla el dominio y rango para cada uno de los gráficos del problema anterior.

  1. Upward parabola, vertex at (2, comma 3), passing through the points, (0, comma 7) & (4, comma 7).

Observa que la parábola se abre hacia arriba.

Dominio: todos los números reales.
Rango:

  1. Increasing curve, rises rapidly, passing through the point (0, comma negative 4), flattens as it passes through the point (2, comma 3), then rises rapidly again.

Recuerda que los gráficos cúbicos se extienden hacia afuera.

  1. Downward parabola, vertex at (negative 6, comma 0), passing through the point (negative 7, comma negative 2).

Mira la parte (a).

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