The x-axis is labeled “Rackets (per hour)”. It shows values from 0 to 4 in increments of 1. The y-axis is labeled “Balls (per hour)”. Its values range from 0 to 40 in increments of 10.

A straight line labeled “Abby’s PPF” passes through (0, 80), (1, 60), (2, 40), (3, 20), and (4, 0).

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