Question 73821
V=48X-28X^2+4X^3
{{{ graph( 300, 600, -6, 5, -20, 20, y = 4x^3 -28x^2 +48x) }}} (graph 300x600 pixels, x from -6 to 5, y from -20 to 20, y = 4x^3 -28x^2 +48x).