Which characteristic is correct for the function f(x)=−2x^4+3x^2 ?
This is definitely even....it is symmetric about the y axis
Also...if even f (x) = f (-x)
f (-x) = -2(-x)^4 + 3 (-x)^2 = -2x^4 + 3x^2 = f (x)
+523 
