Ответ:
а). D (f) = [ -2; 3 ] .
б). D (f) = ( -∞; +∞ ) .
в). D (f) = ( -∞; +∞ ) .
г). D (f) = [ -1; 3 ] .
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Ответ:
а). D (f) = [ -2; 3 ] .
б). D (f) = ( -∞; +∞ ) .
в). D (f) = ( -∞; +∞ ) .
г). D (f) = [ -1; 3 ] .