Question

paita vi an aamissiDie Tunction are admissible. 2.3 If D is the set of discontinuities off:P-A, show that the set of discontinuities of pA is contained in D u BA (a 2.4 If A and Bare contented sets with A e B, apply Proposition 2.5 with f-Pa-PaPa, g ps to show that

Answer 1

2 Observe that LEA o bserve that A will be a mau aso be discontinudus on aA the set o descontinuitycentained thus DUSA