Expression 15: "x" Subscript, 2 , Baseline equals "f" left parenthesis, "t" Subscript, 2 , Baseline , right parenthesisx2=ft2
equals=
1.8 4 3 7 51.84375
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Efterhånden som intervallet
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bliver mindre, bliver forskellen
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mellem gennemsnitshastighe-
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den og den øjeblikkelige hastig-
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hed det også. - Med andre ord:
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Når i går mod 0, så går a mod
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f ' ( t ), dvs. mod hældningen
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for tangenten gennem t:
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Expression 24: "i" equals 1i=1
StartFraction, 1 Over 10 to the 6th power , EndFraction1106
11
24
Expression 25: "a" equals StartFraction, "x" Subscript, 2 , Baseline minus "x" Subscript, 1 , Baseline Over "t" Subscript, 2 , Baseline minus "t" Subscript, 1 , Baseline , EndFractiona=x2−x1t2−t1
equals=
0.4 3 7 50.4375
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Expression 26: "f" prime left parenthesis, "t" , right parenthesisf′t
equals=
0.1 8 7 50.1875
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Expression 27: "y" equals "a" left parenthesis, "x" minus "t" Subscript, 1 , Baseline , right parenthesis plus "x" Subscript, 1 , Baseliney=ax−t1+x1
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Expression 28: "t" Subscript, "a" "n" "g" "e" "n" "t" , Baseline equals "f" prime left parenthesis, "t" , right parenthesis left parenthesis, "x" minus "t" , right parenthesis plus "f" left parenthesis, "t" , right parenthesistangent=f′tx−t+ft
28
Indstillinger (rødt punkt)
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Punkter
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33
40
powered by
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left parenthesis, "t" Subscript, 1 , Baseline , "x" Subscript, 1 , Baseline , right parenthesist1,x1
left parenthesis, "t" Subscript, 2 , Baseline , "x" Subscript, 2 , Baseline , right parenthesist2,x2
Start black, left parenthesis, "t" , "f" left parenthesis, "t" , right parenthesis , right parenthesis End blackt,ft
