Locate and classify all the critical points of the function. (Order your answers by their ordered pairs, from smallest to largestx, then from smallest to largesty. If an answer does not exist, enter DNE.)

h(x,y) =x²+y²y²x2

(x,y)

=

---Select---relative minimumrelative maximumsaddle pointno extremum

(x,y)

=

---Select---relative minimumrelative maximumsaddle pointno extremum

(x,y)

=

---Select---relative minimumrelative maximumsaddle pointno extremum