The equation of a circumference is 2

r. Since we know that r=17, we plug that into the formula, and get an answer of C. 34
Answer:
Table 1 is not a function because there are two y-values with the same x-values. Remember... y values can repeat but x values cannot repeat when their corresponding y values are different.
Table 2 is a function.
You would need to omit either (3,7) or (3,-2).
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The line that is perpendicular to the line on the graph is y=3