Select all the correct answers. Which functions are correctly graphed? U 0 -4 -2 -4 -2 12 -4 -2 -2 -4 IT 2- 2 V 4- 2 y 4 y 2 -4- 4 2 4 2 4 +x f(x) = = = -∞0 < x < -2 x² +1; -2 < x
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