function fx = p21_fx ( n, x )

%*****************************************************************************80
%
%% P21_FX evaluates the function for problem 21.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 October 2020
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    integer N, the number of variables and equations.
%
%    real X(N), the evaluation point.
%
%  Output:
%
%    real FX(N), the function value.
%
  fx = zeros ( n, 1 );

  fx(1) = x(1) - x(2)^3 + 5.0 * x(2)^2 -  2.0 * x(2) - 13.0;
  fx(2) = x(1) + x(2)^3 +       x(2)^2 - 14.0 * x(2) - 29.0;

  return
end

