CBS Let \(f(x, y, z)=x^{-1} y z\), and let \(C\) be the curve parametrized by \(\mathbf{r}(t)=\left\langle\ln t, t, t^{2}ightangle\) for \(2 \leq t \leq 4\). Use a computer algebra system to calculate \(\int_{C} f(x, y, z) d s\) to four decimal places.