Which One Does Not Belong – Quadratic and Inequality

  1.  y > 2x2 – 3x
  2.  y < -2x2 – 3x
  3.  2x2 + y < 5x
  4.  3x + y > x2
  5.  y > -x2 + 5x

 

The solution is #5 because all of the other inequalities have a feasible region inside the parabola

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