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The graph of y=f(x) is shown in red. For which x value does f(x)=4?

(Assume grid lines are spaced 1 unit apart)

 

 Jul 27, 2021
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The black line is y = f(x) = 4      Wherever the black line crosses the red graph, scan down to the x-axis to get the x value

 

 Jul 27, 2021

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