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Examine the graph of each relation below. For each part below, decide if the relation is a function and then state the domain and range.

  1. 4 petal flower, centered at the origin, each petal extends from the center 3, up, right, down, and left.

    For a relation to be a function, each input can only have one output. That is, each -value can only have one corresponding -value.

  1. Curve, starting at closed point, (negative 2, comma negative 2), passing through the origin & rising to the point (2, comma 2), & falling to the closed point (3, comma 0).