1. The problem statement, all variables and given/known data Calculate the minimum vertical distance between the cubic y=x^3-x^2-4x+4 and the parabola y=-2x^2+16x-30, when x is positive. 2. Relevant equations y=x^3-x^2-4x+4 y=-2x^2+16x-30 3. The attempt at a solution I have no idea at all how to work this out, so perhaps someone could walk me through it?