Let f(x)=x3 - V2x2 + 21x - 12. Use interval notation to indicate where f(x) is i

Question

Let f(x)=x3 - V2x2 + 21x - 12. Use interval notation to indicate where f(x) is increasing. Note: Use 'INF' for infinity. '-INF' for - infinity. and use 'U' for the union symbol. Increasing: (-inf.1) (7,inf) Use interval notation to indicate where f(x) is decreasing. Decreasing: (1.7) List the X values of all local maxima of f. If there are no local maxima, enter 'NONE'. X values of local maximums = List the X values of all local minima of f. If there are no local minima, enter 'NONE'. X values of local minimums =

Explanation / Answer

use f'(x)>0 or0 or

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