Question

Identify the graph of an even function from the following choices.(1 point)

A curved line is graphed on a coordinate plane. The x-axis ranges from negative 5 to 5 in increments of 1. The y-axis ranges from negative 200 to 200 in increments of 100.
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A parabola is graphed on a coordinate plane. The x-axis ranges from negative 6 to 5 in increments of 1. They y-axis ranges from negative 2 to 16 in increments of 2.
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Five points are plotted on a coordinate plane, and a line is graphed passing through them. The x-axis ranges from negative 4 to 4 in increments of 1. The y-axis ranges from negative 10 to 10 in increments of 1.
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Five points are plotted on a coordinate plane, and a line is graphed passing through them. The x-axis ranges from negative 4 to 4 in increments of 1. The y-axis ranges from negative 10 to 10 in increments of 1.
▶Click for Long Desc
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Answer 1

The parabola (the second graph).

Reason: even functions satisfy f(−x) = f(x), so their graphs are symmetric about the y-axis. A parabola with its axis on the y-axis is symmetric about the y-axis and therefore represents an even function.