Question 312907
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Yes, you did it correctly, but 


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ -1\ > -6]


Therefore *[tex \LARGE (-2,7)\ \notin\ \{(x,y)\,|\,(x,y)\,\in\,\mathbb{R}^2,\,4x\ +\ y\ <\ -6\}]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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