to find if a function even or odd, subsitutue x with -x or evaluate f(-x)
if it is even,then f(-x)=f(x)
if it is odd then f(-x)=-f(x)
if neither then neither
f(-x)=-2(-x)^3+3(-x)^2
f(-x)=-2(-1)(x^3)+3x^2
f(-x)=2x^3+3x
it is neither fully negative nor the same
neither even nor odd
