0. Consider a system modeled by the following set of state equations: dtdx1dtdx2dtdx3=f1(x1,x2,m1,m2,m3,d1,d2)=f2(x1,x3,m1,d2)=f3(x1,x2,x3,m2,m3,d1,d2,d3) where x1,x2, and x3 are the state variables, m1,m2, and m3 are the manipulated variables, and d1,d2, and d3 are the external disturbances. (a) How many degrees of freedom does the system possess? (b) How many control objectives can you specify at most? (c) Consider this system at steady state. How many degrees of freedom does it possess