Cubic Function Curve Equation. Consider the cubic equation f x x8 x10 x20 x 3 38x 2 440x 1600 0. The effects of b and c on the graph are more complicated.
Y x3 y x3 5 Cubic graphs are curved but can have more than one change of direction. Here are some examples of cubic equations. Solve for the unknowns and you have your cubic equation.
Feb 09 2003 Graph of a cubic function with 3 real roots where the curve crosses the horizontal axis at y 0.
The constant d in the equation is the y -intercept of the graph. The constant d in the equation is the y -intercept of the graph. Now do the same with the three remaining equations to leave two. Here are some examples of cubic equations.
