0 , c and b are held constant in the function F(x)= a x^3+bx^2+cx+d Describe the effect o… Show more suppose a >0 , c and b are held constant in the function F(x)= a x^3+bx^2+cx+d Describe the effect of changing b in the function and also describe what characterstics of the graph left unchanged. I need details with graph to explain that. • Show less