Tính \(f\left( {\frac{{ - 1}}{3}} \right)\,;\,\,\,\,f\left( 0 \right)\).
A.\(f\left( {\frac{{ - 1}}{3}} \right) = - 2\,;\,\,\,\,f\left( 0 \right) = - 1.\)
B.\(f\left( {\frac{{ - 1}}{3}} \right) = - 1\,;\,\,\,\,f\left( 0 \right) = - 2.\)
C.\(f\left( {\frac{{ - 1}}{3}} \right) = 2\,;\,\,\,\,f\left( 0 \right) = - 1.\)
D.\(f\left( {\frac{{ - 1}}{3}} \right) = 2\,;\,\,\,\,f\left( 0 \right) = 1.\)