For g(x)=x3−3x2−9x+5, which of the following correctly lists the stationary points and their nature?
a) Local maximum at (−1,10) and local maximum at (3,−22)
b) Local minimum at (−1,10) and local maximum at (3,−22)
c) Local maximum at (−1,10) and local minimum at (3,−22)
d) Local minimum at (−1,10) and local minimum at (3,−22)