Answer:

Step-by-step explanation:
4-xy=y^3
dy/dx=?

Solving for dy/dx: Addind x dy/dx both sides of the equation:

Common factor dy/dx on the right side of the equation:

Dividing both sides of the equation by 3y^2+x:

Answer: -7 + y/3
Step-by-step explanation:
The answer to number 3 is (0,-2)
Have u been doing anything with Pythagorean theorem? i belive that is what u have to do