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Trace the distance-time graph and the tangent at second on your paper. Distance is measured in feet. Homework Help ✎

  1. Estimate the velocity at s.

    Estimate the slope of the tangent.

  2. Locate another time on the graph where the object has the same velocity as . Use you graph to show how you know the velocities are equal.

    Sketch various tangent lines to the graph of . Keep sketching until you find one with the same slope as the tangent at .

    Parallel lines have the same slope.