1
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Choose an input. Square it to find the output.

2
00:00:04,000 --> 00:00:08,000
Every new point follows the same rule.

3
00:00:08,000 --> 00:00:12,000
Trace the curve from x = −2 to x = 2.

4
00:00:12,000 --> 00:00:16,000
Opposite inputs. Equal outputs.