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1. Which of the following functions are not continuous.
A. A
B. B
C. C
D. D
2. The Function
A. Discontinuous exactly at two points
B. Discontinuous at every points
C. Discontinuous at only one point
D. Discontinuous exactly at three points
4. For what values of a and b, f is a continuous function.
A. a=2,b=0
B. a=1,b=0
C. a=0,b=2
D. a=0,b=0
7. What is the point of discontinuity for signum function?
A. x=1
B. x=-1
C. x=0
D. function is continuous on R
10. A real function f is said to be continuous if it is continuous at every point in ...... .
A. [-∞,∞]
B. The range of f
C. The domain of f
D. Any interval of real numbers
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