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12. Which function is a quadratic function? (1 point) y = –3x2 + x y = 2x – 1 y = Start Fraction 3 over x End Fraction y = –|x|
12. Which function is a quadratic function? (1 point) y = –3x2 + x y = 2x – 1 y = Start Fraction 3 over x End Fraction y = –|x|