3 years ago

The graph of a function f(x) is shown below:

1 answer:

5 0

Count the dots plotted here. There are four of them, right? What are the x-coordinates of those four dots: Answer: {-1, 0, 1, 2}.

Reject answers B and C because none of the four dots have x-coordinate -3.
Reject answer A because this set would not include x=-1 or x=2.

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