Let a function \( f(x)=[x]\{x\}-|x| \) where [.], \( \{\cdot\} \) are greatest integer and fract...

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Let a function \( f(x)=[x]\{x\}-|x| \) where [.], \( \{\cdot\} \) are greatest integer and fractional part respectively then match the following List-I with List-II.
(C) If \( g(x)=x-1 \) and if \( f(x)=g(x) \) where (R) \( x \in(-3, \infty) \), then number of solutions
(D) If \( l=\lim _{x \rightarrow 4^{+}} f(x) \), then \( -l \) is equal to
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