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The range of $f (x) = \log_{3} (5 - 4 x - x^{2})$ is

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Correct option is A

f(x)=log3⁡5−4x−x2=log3⁡9−(x−2)2f(x) is defined if 9−(x−2)2>0 but 9−(x−2)2≤9 or 0<9−(x−2)2≤9 or −∞

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The range of f(x)=log3⁡5−4x−x2 is

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The range of $f (x) = \log_{3} (5 - 4 x - x^{2})$ is