46.630434782609 + ( 1 - ({{{2}}}- -49.238) * (-0.0209894517576 + -2.1312508773522E-6 * ({{{2}}}- -49.238) * ({{{2}}}- -49.238) )) * ({{{1}}}- 69.5241) * (42.59651165274 - 0.0013445622544238 * ({{{1}}}- 69.5241) * ({{{1}}}- 69.5241) )