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i need the answer please?? Fit a least-squares parabola, y = a + 6x + cx, to the following data: X 2 3 4 5

i need the answer please??

Fit a least-squares parabola, y = a + 6x + cx", to the following data: X 2 3 4 5 6 y 2.4 2.1 3.2 5.6 9.3 14.6 21.9 Solve the problem and find the values for a, b and c. Simplify the equation. Need to show your work for full credit

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