The power generated by a windmill varies with the wind speed. In an experiment, the following five measurements were obtained Wind speed (mph) 14 22 30 38 46 Electric Power(W) 320 490 540 500 480 Determine the fourth-order polynomial in the Lagrange form that passes through the points and PLOT the result with the original data points shown. Use the polynomial to calculate the power at a wind speed of 26 mph.

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