Biểu thức 42: "y" equals .6 1 left parenthesis, "x" plus 1 , right parenthesis squared plus 1.9 left brace, "x" less than or equal to negative 1 left brace, "x" greater than or equal to negative 2.0 8 , right brace , right bracey=.61x+12+1.9x≤−1x≥−2.08
42
Biểu thức 43: "y" equals .5 8 left parenthesis, "x" plus 1.5 , right parenthesis squared plus 1.8 3 left brace, "x" less than or equal to negative 1.5 left brace, "x" greater than or equal to negative 2.5 8 , right brace , right bracey=.58x+1.52+1.83x≤−1.5x≥−2.58
43
Biểu thức 44: "y" equals .5 5 left parenthesis, "x" plus 2 , right parenthesis squared plus 1.7 left brace, "x" less than or equal to negative 2 left brace, "x" greater than or equal to negative 3.0 8 , right brace , right bracey=.55x+22+1.7x≤−2x≥−3.08
44
Biểu thức 45: "y" equals .5 2 left parenthesis, "x" plus 2.5 , right parenthesis squared plus 1.5 left brace, "x" less than or equal to negative 2.5 left brace, "x" greater than or equal to negative 3.5 8 , right brace , right bracey=.52x+2.52+1.5x≤−2.5x≥−3.58
45
Biểu thức 46: "y" equals .4 9 left parenthesis, "x" plus 3 , right parenthesis squared plus 1.3 left brace, "x" less than or equal to negative 3 left brace, "x" greater than or equal to negative 4.0 8 , right brace , right bracey=.49x+32+1.3x≤−3x≥−4.08
46
Biểu thức 47: "y" equals .4 6 left parenthesis, "x" plus 3.5 , right parenthesis squared plus 1 left brace, "x" less than or equal to negative 3.5 left brace, "x" greater than or equal to negative 4.5 8 , right brace , right bracey=.46x+3.52+1x≤−3.5x≥−4.58
47
Biểu thức 48: "y" equals .4 3 left parenthesis, "x" plus 4 , right parenthesis squared plus .7 left brace, "x" less than or equal to negative 4 left brace, "x" greater than or equal to negative 5.0 8 , right brace , right bracey=.43x+42+.7x≤−4x≥−5.08
48
Biểu thức 49: "y" equals .4 left parenthesis, "x" plus 4.5 , right parenthesis squared plus .4 left brace, "x" less than or equal to negative 4.5 left brace, "x" greater than or equal to negative 5.5 8 , right brace , right bracey=.4x+4.52+.4x≤−4.5x≥−5.58
49
Biểu thức 50: "y" equals negative .4 left parenthesis, "x" plus 4.5 , right parenthesis squared minus .4 left brace, "x" less than or equal to negative 4.5 left brace, "x" greater than or equal to negative 5.5 8 , right brace , right bracey=−.4x+4.52−.4x≤−4.5x≥−5.58
50
Biểu thức 51: "y" equals negative .4 3 left parenthesis, "x" plus 4 , right parenthesis squared minus .7 left brace, "x" less than or equal to negative 4 left brace, "x" greater than or equal to negative 5.0 8 , right brace , right bracey=−.43x+42−.7x≤−4x≥−5.08
51
Biểu thức 52: "y" equals negative .4 6 left parenthesis, "x" plus 3.5 , right parenthesis squared minus 1 left brace, "x" less than or equal to negative 3.5 left brace, "x" greater than or equal to negative 4.5 8 , right brace , right bracey=−.46x+3.52−1x≤−3.5x≥−4.58
52
Biểu thức 53: "y" equals negative .4 9 left parenthesis, "x" plus 3 , right parenthesis squared minus 1.3 left brace, "x" less than or equal to negative 3 left brace, "x" greater than or equal to negative 4.0 8 , right brace , right bracey=−.49x+32−1.3x≤−3x≥−4.08
53
Biểu thức 54: "y" equals negative .5 2 left parenthesis, "x" plus 2.5 , right parenthesis squared minus 1.5 left brace, "x" less than or equal to negative 2.5 left brace, "x" greater than or equal to negative 3.5 8 , right brace , right bracey=−.52x+2.52−1.5x≤−2.5x≥−3.58
54
Biểu thức 55: "y" equals negative .5 5 left parenthesis, "x" plus 2 , right parenthesis squared minus 1.7 left brace, "x" less than or equal to negative 2 left brace, "x" greater than or equal to negative 3.0 8 , right brace , right bracey=−.55x+22−1.7x≤−2x≥−3.08
55
Biểu thức 56: "y" equals negative .5 8 left parenthesis, "x" plus 1.5 , right parenthesis squared minus 1.8 4 left brace, "x" less than or equal to negative 1.5 left brace, "x" greater than or equal to negative 2.5 8 , right brace , right bracey=−.58x+1.52−1.84x≤−1.5x≥−2.58
56
Biểu thức 57: "y" equals negative .6 1 left parenthesis, "x" plus 1 , right parenthesis squared minus 1.9 left brace, "x" less than or equal to negative 1 left brace, "x" greater than or equal to negative 2.0 8 , right brace , right bracey=−.61x+12−1.9x≤−1x≥−2.08
57
Biểu thức 58: "y" equals negative .6 4 left parenthesis, "x" plus .5 , right parenthesis squared minus 2 left brace, "x" less than or equal to negative .5 left brace, "x" greater than or equal to negative 1.5 8 , right brace , right bracey=−.64x+.52−2x≤−.5x≥−1.58
58
Biểu thức 59: "y" equals negative .6 7 left parenthesis, "x" , right parenthesis squared minus 2 left brace, "x" greater than or equal to negative 1.0 8 left brace, "x" less than or equal to 1.0 8 , right brace , right bracey=−.67x2−2x≥−1.08x≤1.08
59
Biểu thức 60: "y" equals negative .6 4 left parenthesis, "x" minus .5 , right parenthesis squared minus 2 left brace, "x" greater than or equal to .5 left brace, "x" less than or equal to 1.5 8 , right brace , right bracey=−.64x−.52−2x≥.5x≤1.58
60
Biểu thức 61: "y" equals negative .6 1 left parenthesis, "x" minus 1 , right parenthesis squared minus 1.9 3 left brace, "x" greater than or equal to 1 , right brace left brace, "x" less than or equal to 2.0 8 , right bracey=−.61x−12−1.93x≥1x≤2.08
61
Biểu thức 62: "y" equals negative .5 8 left parenthesis, "x" minus 1.5 , right parenthesis squared minus 1.8 2 left brace, "x" greater than or equal to 1.5 , right brace left brace, "x" less than or equal to 2.5 8 , right bracey=−.58x−1.52−1.82x≥1.5x≤2.58
62
Biểu thức 63: "y" equals negative .5 5 left parenthesis, "x" minus 2 , right parenthesis squared minus 1.7 left brace, "x" greater than or equal to 2 , right brace left brace, "x" less than or equal to 3.0 8 , right bracey=−.55x−22−1.7x≥2x≤3.08
63
Biểu thức 64: "y" equals negative .5 2 left parenthesis, "x" minus 2.5 , right parenthesis squared minus 1.5 left brace, "x" greater than or equal to 2.5 , right brace left brace, "x" less than or equal to 3.5 8 , right bracey=−.52x−2.52−1.5x≥2.5x≤3.58
64
Biểu thức 65: "y" equals negative .4 9 left parenthesis, "x" minus 3 , right parenthesis squared minus 1.3 left brace, "x" greater than or equal to 3 , right brace left brace, "x" less than or equal to 4.0 8 , right bracey=−.49x−32−1.3x≥3x≤4.08
65
Biểu thức 66: "y" equals negative .4 6 left parenthesis, "x" minus 3.5 , right parenthesis squared minus 1.0 4 left brace, "x" greater than or equal to 3.5 , right brace left brace, "x" less than or equal to 4.5 8 , right bracey=−.46x−3.52−1.04x≥3.5x≤4.58
66
Biểu thức 67: "y" equals negative .4 3 left parenthesis, "x" minus 4 , right parenthesis squared minus .7 4 left brace, "x" greater than or equal to 4 , right brace left brace, "x" less than or equal to 5.0 8 , right bracey=−.43x−42−.74x≥4x≤5.08
67
Biểu thức 68: "y" equals negative .4 left parenthesis, "x" minus 4.5 , right parenthesis squared minus .3 9 left brace, "x" greater than or equal to 4.5 , right brace left brace, "x" less than or equal to 5.5 8 , right bracey=−.4x−4.52−.39x≥4.5x≤5.58
68
Biểu thức 69: "y" equals 1 sixth StartRoot, "x" minus 3 , EndRoot plus .3 left brace, "x" less than or equal to 4.3 4 , right bracey=16x−3+.3x≤4.34
69
Biểu thức 70: "y" equals negative 20 left parenthesis, "x" minus 2.9 3 , right parenthesis squared plus .4 3 left brace, "y" greater than or equal to .3 1 3 , right bracey=−20x−2.932+.43y≥.313
70
Biểu thức 71: "y" equals negative 20 left parenthesis, "x" minus 2.7 7 8 , right parenthesis squared plus .4 3 left brace, "y" greater than or equal to .3 1 3 , right bracey=−20x−2.7782+.43y≥.313
71
Biểu thức 72: "y" equals 12 times 50000000000000 Superscript, left parenthesis, negative "x" plus 2.4 8 , right parenthesis , Baseline plus .3 1 left brace, "x" less than or equal to 2.7 0 4 , right brace left brace, "x" greater than or equal to 2.6 0 7 , right bracey=12·50000000000000−x+2.48+.31x≤2.704x≥2.607
72
Biểu thức 73: "y" equals 1 third StartRoot, "x" plus 4.8 , EndRoot left brace, "x" less than or equal to negative 3 , right bracey=13x+4.8x≤−3
73
Biểu thức 74: "y" equals negative .6 left parenthesis, "x" plus 2.6 , right parenthesis squared plus .5 5 left brace, "x" greater than or equal to negative 3.0 1 9 , right brace left brace, "x" less than or equal to negative 2.1 9 2 , right bracey=−.6x+2.62+.55x≥−3.019x≤−2.192
74
Biểu thức 75: "y" equals negative 2 StartAbsoluteValue, "x" plus 2.4 , EndAbsoluteValue plus .3 left brace, "x" greater than or equal to negative 2.8 , right brace left brace, "x" less than or equal to negative 2.2 5 , right bracey=−2x+2.4+.3x≥−2.8x≤−2.25
75
Biểu thức 76: "y" equals 5 times 262 Superscript, left parenthesis, "x" plus 2.3 , right parenthesis , Baseline minus .8 0 9 left brace, "x" greater than or equal to negative 3.8 6 left brace, "x" less than or equal to negative 2.7 4 7 , right brace , right bracey=5·262x+2.3−.809x≥−3.86x≤−2.747
76
Biểu thức 77: "y" equals negative .5 StartRoot, "x" plus 2.2 5 , EndRoot left brace, "x" less than or equal to negative 2 , right bracey=−.5x+2.25x≤−2
77
Biểu thức 78: "y" equals negative 1 left parenthesis, "x" minus 2.3 , right parenthesis left brace, "x" greater than or equal to 3 , right brace left brace, "x" less than or equal to 3.3 8 4 , right bracey=−1x−2.3x≥3x≤3.384
78
Biểu thức 79: "y" equals negative 75 left parenthesis, "x" minus 2.9 7 , right parenthesis squared minus .6 3 2 left brace, "x" less than or equal to 3.0 0 0 1 , right brace left brace, "x" greater than or equal to 2.8 9 2 , right bracey=−75x−2.972−.632x≤3.0001x≥2.892
79
Biểu thức 80:
80
Biểu thức 81:
81
Biểu thức 82:
82
Biểu thức 83:
83
Biểu thức 84:
84
85
cung cấp bởi
cung cấp bởi
"x"x
"y"y
"a" squareda2
"a" Superscript, "b" , Baselineab
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88
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chức năng
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greater than>
44
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