Practice problem
What is the sum of the critical values of the function f(x)=12x4+4x3−4x2−48x+ef(x)=\frac12x^4+4x^3-4x^2-48x+ef(x)=21x4+4x3−4x2−48x+e
−4-4−4
−6-6−6
888
000
Type a concept, like “slope” or “photosynthesis”.
