Question

Determining critical points on a contour map

Answer 1

can you envision this a a topographical map?
i.e. if this were a landscape, can you imagine the hills and valleys?

Answer 2

let me try

Answer 3

F D and C are saddle points

Answer 4

G and E r local minima

Answer 5

B is a maxima

Answer 6

see, I'm not even needed :D

Answer 7

but what is A?

Answer 8

once you picture it as a landscape it's pretty easy
A is nothing as far as I can see
not a critical point at all

Answer 9

Ok Thanks Turing :D

Answer 10

welcome as always :)