Which expression is equivalent to 3log(x)−12log(y)+log(z)3 \log(x) - \frac{1}{2} \log(y) + \log(z)3log(x)−21log(y)+log(z)?
log(x3zy)\log\left(\frac{x^3 z}{\sqrt{y}}\right)log(yx3z)
log(x3−y1/2+z)\log(x^3 - y^{1/2} + z)log(x3−y1/2+z)
log(x3yz)\log\left(\frac{x^3 \sqrt{y}}{z}\right)log(zx3y)
log(x3⋅y1/2⋅z)\log(x^3 \cdot y^{1/2} \cdot z)log(x3⋅y1/2⋅z)