code: def borehole_6_mf(z, x):
      """Computes the Bore Hole function."""
      f0 = z[0] / 0.25
      f1 = z[1]
      return borehole_6_z(x, [f0, f1])
  
label_desc: Use image node_id 1 for calling a global function with example usage: borehole_6_mf(z, x) and returns: borehole_6_z