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The function {:(f:R to R:f(x) = 1, if ...

The function
`{:(f:R to R:f(x) = 1, if x gt 0),(" "= 0, if x =0),(" "=-1, if x lt0 is a):}`

A

1) rational function

B

2) modulus function

C

3) signum function

D

4) sinx function

Text Solution

Verified by Experts

The correct Answer is:
B
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