3. The following data come from a table that was measured with high precision. Use the best numerical method (for this type of problem) to determine y at x = 3.5. Note that a polynomial will yield an exact value. Your solution should prove that your result is exact. 1.8 5 8.2 9.2 12 y 26 16.415 5.375 3.5 2.015 2.54 8

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