Can someone please help me figure out how many local maxima, minima and saddle points there are on this surface?

86 Views Asked by At

enter image description here

The image shows the side, top and bottom view of a surface. Please feel free to inquire more about the images down below in the comments!

Question: How many relative maxima, relative minima and saddle points are in this surface?

I have input 4, 5 and 4 respectively but atleast one of them is wrong and I do not know which. Could someone please help me figure it out? Thanks!