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2-52.

Which graphs below have a domain of all numbers? Which have a range of all numbers? Which are functions? Homework Help ✎

  1. graph a

  1. graph b

  1. graph c

In which graph do all values of have a corresponding -value?
Refer to the Math Notes box in Lesson 1.2.5.

Graphs (a) and (b)

In which graphs do all values of have a corresponding -value?

Graphs (a) and (c)

A function can only have one -value for each -value.