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Solve the Inequality x2+7x≤−3x−21x ^ { 2 } + 7 x \leq - 3 x - 21

Question 290

Multiple Choice

Solve the inequality.
- x2+7x≤−3x−21x ^ { 2 } + 7 x \leq - 3 x - 21


A) 3≤x≤73 \leq x \leq 7
B) −3≤x≤−7- 3 \leq x \leq - 7
C) x≤−12 or x≥34x \leq - \frac { 1 } { 2 } \text { or } x \geq \frac { 3 } { 4 }
D) x≤−3 or x≥−7x \leq - 3 \text { or } x \geq - 7

Correct Answer:

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