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We will graph these non-linear systems of inequalities:
1) x^2+y^2 (is greater than or equal to) 9
x^2+y^2 (is less than or equal to) 25
2) xy (is greater than) -4
y (is greater than -x Example Set #2

Next video in this series can be seen at:
https://youtu.be/Ky451VXr9k0