運算式 12: "y" equals left parenthesis, 3 "x" squared minus 18 "x" Subscript, 0 , Baseline plus 27 , right parenthesis left parenthesis, "x" minus "x" Subscript, 0 , Baseline , right parenthesis plus left parenthesis, "x" cubed minus 9 "x" squared plus 27 "x" Subscript, 0 , Baseline minus 26 , right parenthesisy=3x20−18x0+27x−x0+x30−9x20+27x0−26
12
運算式 13: "y" equals left parenthesis, 3 "x" squared minus 18 "x" Subscript, 0 , Baseline plus 27 , right parenthesis "x" minus 3 "x" cubed plus 18 "x" squared minus 27 "x" Subscript, 0 , Baseline plus left parenthesis, "x" cubed minus 9 "x" squared plus 27 "x" Subscript, 0 , Baseline minus 26 , right parenthesisy=3x20−18x0+27x−3x30+18x20−27x0+x30−9x20+27x0−26
13
運算式 14: "y" equals left parenthesis, 3 "x" squared minus 18 "x" Subscript, 0 , Baseline plus 27 , right parenthesis "x" minus 2 "x" cubed plus 9 "x" squared minus 26y=3x20−18x0+27x−2x30+9x20−26
14
Vendetangent i ( x₁ ; y₁ )
對學生隱藏此資料夾。
15
運算式 16: "y" equals "f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesis left brace, 8 thirds less than or equal to "x" less than or equal to 10 thirds , right bracey=fx183≤x≤103
16
運算式 17: left parenthesis, "x" Subscript, 1 , Baseline plus StartFraction, left bracket, negative 1 , 1 , right bracket Over 3 , EndFraction "t" , "f" left parenthesis, "x" Subscript, 1 , Baseline , right parenthesis , right parenthesisx1+−1,13t,fx1
17
f ( x ) vha. regression
對學生隱藏此資料夾。
18
運算式 19: "y" equals "a" "x" cubed plus "b" "x" squared plus "c" "x" plus "d"y=ax3+bx2+cx+d
19
運算式 20: "f" left parenthesis, "x" Subscript, 2 , Baseline , right parenthesis tilde "a" "x" cubed plus "b" "x" squared plus "c" "x" Subscript, 2 , Baseline plus "d"fx2~ax32+bx22+cx2+d
20
運算式 21: "y" equals "f" left parenthesis, "x" , right parenthesisy=fx
21
"x" Subscript, 2 , Baselinex2
"f" left parenthesis, "x" Subscript, 2 , Baseline , right parenthesisfx2
