運算式 12: "f" left parenthesis, "x" , right parenthesis equals "x" minus 22 left brace, 4 less than or equal to "x" less than or equal to 24 , right bracefx=x−224≤x≤24
12
運算式 13: "x" equals 24 left brace, 2 less than or equal to "y" less than or equal to 8 , right bracex=242≤y≤8
13
運算式 14: "f" left parenthesis, "x" , right parenthesis equals negative 1 "x" plus 32 left brace, 24 greater than or equal to "x" greater than or equal to 21 , right bracefx=−1x+3224≥x≥21
14
運算式 15: "x" equals 21 left brace, 11 less than or equal to "y" less than or equal to 20 , right bracex=2111≤y≤20
15
運算式 16: "f" left parenthesis, "x" , right parenthesis equals negative "x" plus 26 left brace, 18 less than or equal to "x" less than or equal to 22 , right bracefx=−x+2618≤x≤22
16
運算式 17: "y" equals 4 left brace, 22 less than or equal to "x" less than or equal to 26 , right bracey=422≤x≤26
17
運算式 18: "f" left parenthesis, "x" , right parenthesis equals "x" minus 22 left brace, 26 less than or equal to "x" less than or equal to 45 , right bracefx=x−2226≤x≤45
18
運算式 19: "f" left parenthesis, "x" , right parenthesis equals 1.5 StartAbsoluteValue, "x" minus 7 , EndAbsoluteValue minus 5 left brace, 3.7 less than or equal to "x" less than or equal to 10.3 , right bracefx=1.5x−7−53.7≤x≤10.3
19
運算式 20: "f" left parenthesis, "x" , right parenthesis equals negative "x" plus 13 left brace, 13 greater than or equal to "x" greater than or equal to 8 , right bracefx=−x+1313≥x≥8
20
運算式 21: "y" equals 5 left brace, 8 greater than or equal to "x" greater than or equal to 5 , right bracey=58≥x≥5
21
運算式 22: "f" left parenthesis, "x" , right parenthesis equals 2 "x" minus 5 left brace, 3 less than or equal to "x" less than or equal to 5 , right bracefx=2x−53≤x≤5
