SOLUTION: Solve the inequality (multiple choice): {{{x^4+x^2>or equal to 0}}} A) (-infinity,0] B) no solution C) all real numbers D) (-infinity,-1]union[0,infinity)

Question 168953: Solve the inequality (multiple choice):

A) (-infinity,0]
B) no solution
C) all real numbers
D) (-infinity,-1]union[0,infinity)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the inequality (multiple choice):
x^4+x^2 >= 0
-----------------
The minimum value of x^4 is zero for all Real Number values of x.
The minimum value of x^2 is zero for all Real Number values of x..
So x^4 + x^2 will be >= 0 for all Real values of x.
Ans: C
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Cheers,
Stan H.
A) (-infinity,0]
B) no solution
C) all real numbers
D) (-infinity,-1]union[0,infinity)
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