8. What is the range and domain of Signum Function.
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The signum function S is defined as follows : The domain of S is R and its range is {– 1, 0, 1}.
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From the above graph and the given function also we can see that the domain is the value of x for which the function is defined, it is defined for all value of x the range is the possible value of y, we can see from the graph that the value can be -1 , 0 and 1.
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