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solve the inequality x^2+x6>or equal to4 by using a table and a graph
 2 years ago
 2 years ago
solve the inequality x^2+x6>or equal to4 by using a table and a graph
 2 years ago
 2 years ago

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

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

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

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

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

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