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A scientist has gathered the following
data for P-wave speeds with depth: 8 km/s at
200 km, 11 km/s at 700 km, 12 km/s at 1,400
km, 13 km/s at 2,200 km, 13.9 km/s at 2,900
km, and 8.5 km/s at 2,901 km. Plot these
points on the graph, and add a title.