The range of the function \( f(x)=\sqrt{4-x^{2}}+\sqrt{x^{2}-1} \) is
(a) \( [\sqrt{3}, \sqrt{7}...
The range of the function \( f(x)=\sqrt{4-x^{2}}+\sqrt{x^{2}-1} \) is
(a) \( [\sqrt{3}, \sqrt{7}] \)
(b) \( [\sqrt{3}, \sqrt{5}] \)
(c) \( [\sqrt{2}, \sqrt{3}] \)
(d) \( [\sqrt{3}, \sqrt{6}] \)
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