which characteristic is correct for the function f(x) = -2x^4 + 3x^2
A. Both even and odd
C.neither even or odd
This is even....
To see why.....if f(x) = f(-x) it is even
f(x) = -2x^4 + 3x^2
f(-x) = -2(-x)^4 + 3(-x) ^2 = -2x^4 + 3x^2 = f(x)