Expression 5: "f" left parenthesis, "x" , right parenthesis equals "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis left parenthesis, 5.0 8 plus median left parenthesis, StartFraction, 1.3 left parenthesis, "x" plus 7.1 7 , right parenthesis Over 2 , EndFraction minus StartRoot, 3.3 left parenthesis, "x" plus 7.1 7 , right parenthesis plus StartFraction, 1.3 squared left parenthesis, "x" plus 7.1 7 , right parenthesis squared Over 4 , EndFraction , EndRoot minus 2.2 , StartFraction, left parenthesis, "x" plus 5.3 , right parenthesis squared Over "x" plus 10.8 , EndFraction minus 3.6 4 , .4 3 "x" minus 1.7 , negative "x" minus 6 , 100 , right parenthesis , right parenthesisfx=f1x5.08+median1.3x+7.172−3.3x+7.17+1.32x+7.1724−2.2,x+5.32x+10.8−3.64,.43x−1.7,−x−6,100
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Expression 6: "f" Subscript, 1 , Baseline left parenthesis, "x" , right parenthesis equals left parenthesis, StartFraction, sign left parenthesis, "x" minus 8.2 5 , right parenthesis minus 1 Over negative 2 , EndFraction , right parenthesis StartRoot, sign left parenthesis, "x" plus 7.1 7 , right parenthesis , EndRootf1x=signx−8.25−1−2signx+7.17
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Expression 7: "f" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis equals left parenthesis, max left parenthesis, left parenthesis, "x" minus 14.3 5 , right parenthesis minus StartRoot, 4 left parenthesis, "x" minus 14.3 5 , right parenthesis plus left parenthesis, "x" minus 14.3 5 , right parenthesis squared , EndRoot , .2 7 left parenthesis, "x" minus 20 , right parenthesis minus .3 , negative 1.3 6 , right parenthesis plus 5 , right parenthesis nCr left parenthesis, 1 , StartFraction, "x" minus 17.5 5 Over 7.1 3 5 , EndFraction , right parenthesisf2x=maxx−14.35−4x−14.35+x−14.352,.27x−20−.3,−1.36+5nCr1,x−17.557.135
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Expression 8: "f" Subscript, 3 , Baseline left parenthesis, "x" , right parenthesis equals left parenthesis, .3 left parenthesis, "x" minus 112.8 3 , right parenthesis plus StartRoot, 5 left parenthesis, "x" minus 112.8 3 , right parenthesis plus .0 9 left parenthesis, "x" minus 112.8 3 , right parenthesis squared , EndRoot plus 2.8 , right parenthesis nCr left parenthesis, 1 , StartFraction, "x" minus 108.9 3 6 Over 4 , EndFraction , right parenthesisf3x=.3x−112.83+5x−112.83+.09x−112.832+2.8nCr1,x−108.9364
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Expression 9: "f" Subscript, 4 , Baseline left parenthesis, "x" , right parenthesis equals left parenthesis, negative .1 left parenthesis, "x" minus 1014.3 5 , right parenthesis plus StartRoot, 5.5 left parenthesis, "x" minus 1014.3 5 , right parenthesis plus .0 1 left parenthesis, "x" minus 1014.3 5 , right parenthesis squared , EndRoot plus 5 , right parenthesis nCr left parenthesis, 1 , StartFraction, "x" minus 1008.9 3 6 Over 4 , EndFraction , right parenthesisf4x=−.1x−1014.35+5.5x−1014.35+.01x−1014.352+5nCr1,x−1008.9364