수식 12: "y" equals 225 left brace, 85 less than or equal to "x" less than or equal to 135 , right bracey=22585≤x≤135
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수식 13: "y" equals 235 left brace, 195 less than or equal to "x" less than or equal to 240 , right bracey=235195≤x≤240
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수식 14: "y" equals 225 left brace, 195 less than or equal to "x" less than or equal to 245 , right bracey=225195≤x≤245
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수식 15: "y" equals left parenthesis, StartFraction, 1 Over 125 , EndFraction , right parenthesis "x" squared plus left parenthesis, negative StartFraction, 66 Over 25 , EndFraction , right parenthesis "x" plus left parenthesis, 2414 fifths , right parenthesis left brace, 140 less than or equal to "x" less than or equal to 190 , right bracey=1125x2+−6625x+24145140≤x≤190
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수식 16: "y" equals left parenthesis, StartFraction, 1 Over 10 , EndFraction , right parenthesis "x" squared plus left parenthesis, negative StartFraction, 40 Over 1 , EndFraction , right parenthesis "x" plus left parenthesis, StartFraction, 4260 Over 1 , EndFraction , right parenthesis left brace, 190 less than or equal to "x" less than or equal to 200 , right bracey=110x2+−401x+42601190≤x≤200
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수식 17: "y" equals left parenthesis, 1 half , right parenthesis "x" squared plus left parenthesis, StartFraction, negative 135 Over 1 , EndFraction , right parenthesis "x" plus left parenthesis, StartFraction, 9370 Over 1 , EndFraction , right parenthesis left brace, 130 less than or equal to "x" less than or equal to 140 , right bracey=12x2+−1351x+93701130≤x≤140
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수식 18: "y" equals left parenthesis, StartFraction, negative 8 Over 625 , EndFraction , right parenthesis "x" squared plus left parenthesis, StartFraction, 528 Over 125 , EndFraction , right parenthesis "x" plus left parenthesis, StartFraction, negative 3762 Over 25 , EndFraction , right parenthesis left brace, 140 less than or equal to "x" less than or equal to 190 , right bracey=−8625x2+528125x+−376225140≤x≤190
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수식 19: "y" equals left parenthesis, StartFraction, 45 Over 56 , EndFraction , right parenthesis "x" squared plus left parenthesis, negative StartFraction, 21485 Over 56 , EndFraction , right parenthesis "x" plus left parenthesis, 322195 sevenths , right parenthesis left brace, 232 less than or equal to "x" less than or equal to 240 , right bracey=4556x2+−2148556x+3221957232≤x≤240
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수식 20: "y" equals left parenthesis, negative StartFraction, 43 Over 552 , EndFraction , right parenthesis "x" squared plus left parenthesis, StartFraction, 22021 Over 552 , EndFraction , right parenthesis "x" plus left parenthesis, StartFraction, 1653375 Over negative 345 , EndFraction , right parenthesis left brace, 232 less than or equal to "x" less than or equal to 255 , right bracey=−43552x2+22021552x+1653375−345232≤x≤255
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수식 21: "y" equals left parenthesis, StartFraction, 43 Over 60 , EndFraction , right parenthesis "x" squared plus left parenthesis, negative StartFraction, 1483 Over 375 , EndFraction , right parenthesis "x" plus left parenthesis, StartFraction, 4164375 Over 375 , EndFraction , right parenthesis left brace, 75 less than or equal to "x" less than or equal to 90 , right bracey=4360x2+−1483375x+416437537575≤x≤90
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수식 22: "y" equals left parenthesis, negative StartFraction, 2 Over 75 , EndFraction , right parenthesis "x" squared plus left parenthesis, 43 thirds , right parenthesis "x" plus left parenthesis, negative StartFraction, 1746 Over 1 , EndFraction , right parenthesis left brace, 230 less than or equal to "x" less than or equal to 270 , right bracey=−275x2+433x+−17461230≤x≤270
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수식 23: "y" equals left parenthesis, negative StartFraction, 7 Over 375 , EndFraction , right parenthesis "x" squared plus left parenthesis, StartFraction, 149 Over 75 , EndFraction , right parenthesis "x" plus left parenthesis, StartFraction, 128 Over 1 , EndFraction , right parenthesis left brace, 60 less than or equal to "x" less than or equal to 100 , right bracey=−7375x2+14975x+128160≤x≤100
