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The power generated by a windmill varies with the wind speed. In an experiment, the following five measurements were obtained: Wind Speed (mph) Electric

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

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