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Mr.Math
 3 years ago
Best ResponseYou've already chosen the best response.1\[x^2+x6\ge 4 \implies x^2+x2\ge0 \implies (x+2)(x1)\ge0 \]

FoolForMath
 3 years ago
Best ResponseYou've already chosen the best response.4\( \Rightarrow x \le 2 \text{ or } x \gt 1 \)

Mr.Math
 3 years ago
Best ResponseYou've already chosen the best response.1Now, you need to study the intervals as shown below: 2 1   + + x+2   + x1 +  + (x+2)(x1)

Mr.Math
 3 years ago
Best ResponseYou've already chosen the best response.1So our intervals are then \((\infty,2] + [1,\infty) \).

FoolForMath
 3 years ago
Best ResponseYou've already chosen the best response.4Just a minute typo: \[ \Rightarrow x \le 2 \text{ or } x \ge 1 \]

Mr.Math
 3 years ago
Best ResponseYou've already chosen the best response.1What's the latex for union? @FFM
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