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Espa ol The data points show the distance y in meters required to stop a...

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Espa ol The data points show the distance y in meters required to stop a train traveling at a speed x in kilometers p Each figure has the same data points However each figure has a different curve fitting the data The equation for each curve is also shown Answer the questions that follow 2500 2000 1500 1000 500 y 1 5x Figure 1 100 125 3x 2675 a Which curve fits the data best O Figure 1 O Figure 2 2500 2000 1500 1000 500 Figure 2 y 0 29x 1 48x 100 2500 2000 1500 P 1000 500 Figure 3 y 0 12x O Figure 3 b Use the equation of the best fitting curve from part a to predict the distance required to stop the train when it is travelling 20 kilometers per hour Give an exact answer not a rounded approximation meters 100 25 1x 52 1 0 K

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