Which expression is equivalent to Left-bracket log 9 one-half log x log (x cubed 4) Right-bracket minus log 6? log StartFraction 3 StartRoot x EndRoot (x cubed 4) Over 2 EndFraction log StartFraction 3 StartRoot x EndRoot (3 x 4) Over 2 EndFraction log StartFraction StartRoot 9 x (x cubed 4) EndRoot Over 6 EndFraction StartFraction StartRoot log 9 x ( x cubed 4) EndRoot Over 6 EndFraction.