นิพจน์ 14: 0 less than or equal to "y" less than or equal to "f" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis left brace, "x" Subscript, 1 , Baseline less than or equal to "x" less than or equal to "x" Subscript, 2 , Baseline , right brace0≤y≤f2xx1≤x≤x2
14
นิพจน์ 15: "f" Subscript, 2 , Baseline left parenthesis, "x" , right parenthesis less than or equal to "y" less than or equal to 0 left brace, "x" Subscript, 1 , Baseline less than or equal to "x" less than or equal to "x" Subscript, 2 , Baseline , right bracef2x≤y≤0x1≤x≤x2
15
f(x)=${m}x+${c} "P" Subscript, 1 , Baseline equals left parenthesis, 1 , "f" Subscript, 2 , Baseline left parenthesis, 1 , right parenthesis , right parenthesisP1=1,f21
ป้ายกำกับ:
equals=
left parenthesis, 1 , 5 , right parenthesis1,5
16
A=${A_{2}} "P" Subscript, 2 , Baseline equals left parenthesis, 1 , StartFraction, "f" Subscript, 2 , Baseline left parenthesis, 1 , right parenthesis Over 2 , EndFraction , right parenthesisP2=1,f212
ป้ายกำกับ:
equals=
left parenthesis, 1 , 2.5 , right parenthesis1,2.5
17
นิพจน์ 18: "x" Subscript, 1 , Baseline equals 5.6 7x1=5.67
negative 10−10
1010
18
นิพจน์ 19: "x" Subscript, 2 , Baseline equals 10x2=10
