2 I y 4. Let f(:c,y)={ 32+?! mom), _ III, (as, y) = {[110} (a) Show that f[1r,y) is continuous at (0,0) and compute f${,) and fy{,0). (b) Compute f: and n for (may) 95 (0,0)- (c) Ale f2 and fy continuous at ([1,0]