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Solve the Inequality $x ^ { 4 } + x ^ { 2 } \geq 0$

Question 91

Multiple Choice

Solve the inequality. $x ^ { 4 } + x ^ { 2 } \geq 0$

A) $( - \infty , 0 ]$
B) { }
C) $( - \infty , \infty )$
D) $( - \infty , - 1 ] \cup [ 0 , \infty )$

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