Practice problem
What is the partial derivative of f(x,y)=xy+x3f(x,y)= xy +x^3f(x,y)=xy+x3 with respect to xxx?
y+3x2y +3x^2y+3x2
x+x3x + x^3x+x3
xxx
y+x2y+x^2y+x2
Type a concept, like “slope” or “photosynthesis”.