The range of values of \( m \) for which the line \( y=m x+2 \) cuts the circles \( x^{2}+y^{2}=...

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The range of values of \( m \) for which the line \( y=m x+2 \) cuts the circles \( x^{2}+y^{2}=1 \) at distinct or coincident points is
(a) \( (-\infty,-\sqrt{3}] \cup[\sqrt{3},+\infty) \)
(b) \( [-\sqrt{3}, \sqrt{3}] \)
(c) \( [\sqrt{3},+\infty) \)
(d) none of these
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