Let \( A=[-1,1] \) and \( f: A \rightarrow A \) be defined as \( \m...

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Let \( A=[-1,1] \) and \( f: A \rightarrow A \) be defined as
\( \mathrm{P} \)
\( f(x)=x|x| \) for all \( x \in A \), then \( f(x) \) is
W
(1) Many-one into function
(2) One-one into function
(3) Many-one onto function
(4) One-one onto function
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