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How do you find f(2) and f(0) given the expressions on the graph

How do you find f(2) and f(0) given the expressions on the graph-example-1
User AGB
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Consider that the value of f(0) is given by the value of the y-coordinate, of the point on the line when x = 0.

Then, by checking the given graph, you have:

f(0) = -1

f(2) is given by the value of the y-coordinate of the point on the line when x = 2.

f(2) = -5

User Quark
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