Consider the function f(x)=x3−3x2+1. Which statement correctly classifies the local extrema of f?
a) x=0 is a local minimum and x=2 is a local maximum
b) Neither x=0 nor x=2 is a local extremum
c) x=0 is a local maximum and x=2 is a local minimum
d) Both x=0 and x=2 are local minima