The feedforward network shown in Figure P$2\mathrm{.}4$ using bipolar binary neurons is mapping the entire plane x$1,$ x$2$ into a binary o value. Find the

segment of the x$1,$ x$2$ plane for which o$4=1,$ and its complement for

which o$4=-1.$

Figure P$2\mathrm{.}4$ Feedforward network for Problem P$2\mathrm{.}4.$