Determine the Local Extrema of the Function $f(x, y)=x^{2}-y^{2}$ A) $\mathrm{f}(1,1)=0$ , Maximum
B)

Multiple Choice

Determine the local extrema of the function.
- $f(x, y) =x^{2}-y^{2}$

A) $\mathrm{f}(1,1) =0$ , maximum
B) $f(0,0) =0$ , minimum
C) $\mathrm{f}(0,0) =0$ , maximum
D) None