where μ is the slope of {HEAD ~ the straight line approximation}. Solving for Bg satisfying {TAIL ~ both these}, I obtain 
where μ is the slope of { HEAD ~ the straight line approximation } . Solving for Bg satisfying { TAIL ~ both these } , I obtain
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH