Intersections of a cubic with a line or quadratic
Let P(x) be the cubic rule and Q(x) be the quadratic partner rule
\[P(x)=2x^{3} - 11x^{2} + 20x - 24\]
\[Q(x)=-2x^{2} + 1\]
Use the exact rules shown. At an intersection the two rules have the same output value