Kostenfunktion K(x) in K'(x) umformen

Question

K(x) = x³−10x²+35x+18

K'(x) = 0,33x²−20x+35

 

Richtig ?!

Answer 1

K(x) = x³−10x²+35x+18

K'(x) = 3*x² - 20*x + 35