फलन (f(x)=\operatorname{sgn}(x)) के ग्राफ में (x=-8) पर मान क्या है?
What is the value of the graph of (f(x)=\operatorname{sgn}(x)) at (x=-8)?
Explanation opens after your attempt
Correct Answer
A. (-1)
Concept
The signum function gives (-1) for negative (x). Therefore (f(-8)=-1).
Why this answer is correct
The correct answer is A. (-1). The signum function gives (-1) for negative (x). Therefore (f(-8)=-1).
Exam Tip
साइनम फलन ऋणात्मक (x) पर (-1) देता है। इसलिए (f(-8)=-1)।
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