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Home > CCA > Chapter 6 > Lesson 6.1.4 > Problem 6-45

6-45.

For each graph below, what are the domain and range?

See the Math Notes box in Lesson 1.2.5.

  1. A 4 quadrant coordinate plane with a line segment from the point (negative 2, comma negative 3) to the point (2, comma 2).

    Domain:
    Range:

  1. A 4 quadrant coordinate plane with a vertical line going through x = 2.

    Domain:
    Range: All Numbers

  1. A 4 quadrant coordinate plane with 2 rays starting at the point (negative 2, comma 1), with the top ray going through the point (1, comma 2) and the bottom ray going through the point (1, comma negative 1).

  1. Which, if any, of the graphs represents a function?

    In order for a graph to represent a function, each -value can only relate to one -value.

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