Let A C R and fA: R2-given by 1 if (x, y) E A 0 if...

Question

Question

Let A C R and fA: R2-given by 1 if (x, y) E A 0 if (r, y) A Ar, y):

a)Prove that fAis continuosin int(A)Uert(A) and f is dicontinuos in cl(A)

b)Draw fA

a) A = B2 (0) . b) A = {(x,y) | xy = 0} . c) A = {(z, y) | y E Q)

Answer 1

Answer #1

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Answer 2

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