Question

f(x)=3x-x^2 x0=4.1 x=4.2  дельта х-? дельта f-?

 

Answer 1

f(x)=3x^2/2-x^3/3-x^1/1=4.1      3*4.2^2/2-4.2^3/3-4.2^1/1   26.46-24.696-4.2=-2.436