<PRE><B>Question 1089223</B>
2y^4 -x^2 +11 = 0
:
y = f(x) = (x^2 -11)^(1/4) / 2^(1/4)
:
f(-x) = f(x)
symmetric with respect to the y axis
this is an even function
:
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Answer is B
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