1. Consider the constrained minimisation problem mingRe f (x, a) subject to g(x) > m. The Lagrangian for this minimisation problem is defined as (a) f(x, a) tug(x) - m); (b) - f (x, a) - u(m - g(x)); (c) f (x, a) - u(m - g(x) ); (d) -f(x, a) - u(g(x) - m); (e) None of the above