Let F(x, Y) = $2 y ^ { 3 }$ + 4

Short Answer

Let f(x, y) = $2 y ^ { 3 }$ + 4 $x ^ { 4 }$ + 2xy. Find $\frac { \partial f } { \partial y }$ .
Enter just a polynomial in y plus or minus a polynomial in x both in standard form (no label, no parentheses).