SOLUTION: The graph of y = x^4 + 7x^2 - 8 is symmetric with respect to the y axis. a. True b. False

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Question 51039: The graph of y = x^4 + 7x^2 - 8 is symmetric with respect to the y axis.
a. True
b. False
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
The graph of y = x^4 + 7x^2 - 8 is symmetric with respect to the y axis.
a. True
b. False
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y-symmetry????
f(x)=x^4+7x^2-8
f(-x)=(-x)^4+7(-x)^2-8= x^4+7x^2-8
Since f(x)=f(-x) there is y-axis symmetry.
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Cheers,
stan H.