a)Find the max and Min values of f(x)
b)Find the inflection point of concavity
The Attempt at a Solution
for part a) differentiate (x+1)^2(x-2) we get ans=3(x-1)(x+1) Plse check for me?
than f'(x)=0 therefore the points i got is x=1 and x=-1 respective??
the second part not sure..plse assist.