Single Answer MCQ
Q-00051613
The signum function f(x) gives which of the following outputs?
1
-1 for x < 0, 0 for x = 0, 1 for x > 0
2
Only 1 or -1
3
Only non-negative outputs
4
All real outputs
Answer and Solution
Answer
A. -1 for x < 0, 0 for x = 0, 1 for x > 0
Solution:
The signum function is defined as f(x) = -1 if x 0, indicating the sign of x.
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