Use the Second Derivative Test to find the location of all local extrema in the interval (-6,5) for the function given below.
f(x) = (2x^3)/3 - x^2 - 12x
If there is more than one local maximum or local minimum, write each value of x separated by a comma. If a local maximum or local minimum does not occur on the function, enter Ø in the appropriate box. Answer should be exact.
Provide your answer below:
