SOLUTION: Is there y-axis symmetry for the rational function f(x)=-4x^2/6x^4-3? a. yes b. no

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Question 155224: Is there y-axis symmetry for the rational function f(x)=-4x^2/6x^4-3?
a. yes
b. no
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Is there y-axis symmetry for the rational function f(x)=-4x^2/6x^4-3?
a. yes
b. no
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You need to find f(-x)
f(-x) = 4(-x)^2/(6(-x)^4 - 3)
f(-x) = 4x^2 /(6x^4 - 3)
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Since f(x)=f(-x), f(x) is symmetric to the y-axis. It is said to be EVEN.
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Cheers,
Stan H.