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