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Consider circles of different sizes. Create multiple representations of the function ( table, equation, and graph) with inputs that are the radius of the circle and outputs that are its area.

How do you find the area of a circle? (If you forgot, try searching for the formula on the Internet.)

Which variable is independent, the radius or the area?

First quadrant graph, x axis labeled, radius, y axis labeled, area, graph starts at the origin, curving up and to the right.