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Home > CCA2 > Chapter 2 > Lesson 2.2.2 > Problem 2-108

2-108.

Find the domain and range for each of the graphs in the previous problem.

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

Notice that the parabola is facing upwards.

Domain: all real numbers
Range:

  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.

Remember that cubic graphs extend out.

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

See part (a).

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