\text { (b) }(5 \mathrm{pts}) \text { Say } J(x, y)=(1-y) \log \left(\theta_{0}+\theta_{1} x\right)+y \log \left(1-\theta_{0}-\theta_{1} x\right) . \text { Evaluate } \frac{\partial J}{\partial \theta_{0}} \text { and } \frac{\partial

J}{\partial \theta_{1}} .