Practice problem
What is the sum of the critical values of the function f(x)=13x3−214x2+852x−394f(x)=\frac13x^3-214x^2+852x-394f(x)=31x3−214x2+852x−394
428428428
395395395
630630630
244244244
Type a concept, like “slope” or “photosynthesis”.
