A signal f(t) is described as\(f(t) = \begin{cases} [1-|t|] &{when~|t|\le1}\\ 0&{when~|t|>1} \end{cases}\)This represents the unit

A signal f(t) is described as\(f(t) = \begin{cases} [1-|t|] &{when~|t|

1.	A signal f(t) is described as\(f(t) = \begin{cases} [1-\|t\|] &{when~\|t\|\le1}\\ 0&{when~\|t\|>1} \end{cases}\)This represents the unit
A.	sinc function
B.	area triangular function
C.	signum function
D.	parabolic function
Answer» C. signum function