max $51+2$

s$.$t$.21+2<=6$

$12<=0$

$1,2>=0$

Beginning at x

$(0)=(1,1),$ execute Improving Search Algorithm on the model. Limit your search

to two directions, $$x

$(1)=(1,2)$ and $$x

$(2)=(1,-2),$ and continue until neither is both improving

and feasible.