mpt Which of the following are examples of fixed-proportions production functions? Choose one or more: A. f(x, x) = min[1.75x,5.25x2] B. f(x, x2) = x1x5.25 C. f(x, x) = min[1.75x, x] D. f(x, x) = 1.75x +5.25x2 E. f(x,x) = x +5.25x OF. f(x,x) = x 1.75x25.25 O G. f(x1, x) = 1.75x + x O H. f(x1, x) = min[x, x] OI. f(x1, x) = min[x,5.25x] J. f(x, x) = X + X OK. f(x1,x) = X1 X O L. f(x1, x) = x11.75 X2 04/13 >