SOLUTION: what is the solution of the inequality of x^2 +4x ≥ 21
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Question 935801: what is the solution of the inequality of x^2 +4x ≥ 21
Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
Critical values are -7 and 3. Test the three intervals or use knowledge about equation and graph of a parabola. Solution is AND .
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