A function is odd if f(-x) = -f(x) and even if f(-x) = f(x)
Here we have f(x) = y= 17x^3 - 12x^2
f(-x) = -17x^3 - 12x^2
f(x) = 17x^3 - 12x^2
-f(x) = -17x^3 + 12x^2
So we see that f(-x) = -17x^3 - 12x^2 is neither equal to f(x) nor equal to -f(x).
Therefore the function is neither even nor odd.