Yes, x = -2 and x = 0 are the abs. of the two critical points.
At x = -2, local max and at x = 0, local min.
i thought i was but i got that one lol but this problem is getting me....
f(x) = [x^(5)-5x]/5
f'(x) = x-1
i get x-1 was derivative which means critical point is x=1...back of book says critical point should be x= 1 & x= -1 ??? any help what i did wrong