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Solve the Inequality $x ^ { 2 } + 3 x \leq 4$

Question 291

Multiple Choice

Solve the inequality. Use algebra to solve the corresponding equation.
- $x ^ { 2 } + 3 x \leq 4$

A) $( - \infty , - 1 ] \cup [ 4 , \infty )$
B) $[ - 1,4 ]$
C) $[ - 4,1 ]$
D) $( - 1,4 )$

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