The number of discontinuous functions y(on [-2, 2] satisfying x2 + y2 = 4 is
A. 0
B. 1
C. 2
D. >2
Answer:A
The number of discontinuous functions y(on [-2, 2] satisfying x2 + y2 = 4 is
A. 0 B. 1 C. 2 D. >2