функцийг шинжилж график байгуулах
TRANSCRIPT
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ÔÓÍÊÖÈÉÃ ØÈÍÆÈËÆ ÃÐÀÔÈÊ ÁÀÉÃÓÓËÀÕ
Õèчýýë 19
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Çîðèëãî
1. Ôóíêöèéã øèíæèëæ ñóðàõ
2.Ôóíêöèéí òóõàé
îéëãîëòûã öîãö áàéäëààð ýçýìøèõ
3.Ôóíêöèéí óëàìæëàë
àøèãëàí ãðàôèê áàéãóóëæ
ñóðàõ
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ÇÎÐÈËÒ
1. Ôóíêöèéí òîäîðõîéëîãäîõ ìóæ îëæ ñóðàõ
2. Ôóíêöèéí óëàìæëàë, ñýæèãòýé öýã îëæ ñóðàõ
3. Ôóíêöèéí ºñºõ,
áóóðàõûã òîãòîîõ
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Ôóíêöèéг øèíæèëæ ãðàôèê áàéãóóëàõäàà:
1.Ôóíêöèéí òîäîðõîéëîãäîõ
ìóæ îëíî.
2. Óëàìæëàë îëíî.
3. Ýêñðåìóì öýã îëíî.
6. max, min îëíî.
5.ªñºõ áóóðàõ çàâñàðûã
òîãòîîíî
4. Çàâñàðóóäàä
õóâààæ òýìäýãýý îëíî.
7. Ýêñòåìóì öýã äýýð ôóíêöèéí
óòãûã îëíî
8. Ãðàôèê áàéãóóëíà.
![Page 5: функцийг шинжилж график байгуулах](https://reader036.vdocuments.pub/reader036/viewer/2022081417/55b3c58ebb61eb6b388b4595/html5/thumbnails/5.jpg)
4 28y x x Æèøýý:
ôóíêèéã øèíæèëæ ãðàôèê áàéãóóëüÿ.
![Page 6: функцийг шинжилж график байгуулах](https://reader036.vdocuments.pub/reader036/viewer/2022081417/55b3c58ebb61eb6b388b4595/html5/thumbnails/6.jpg)
Ôóíêöèéí àðãóìåíòèéí îðîíä îðëóóëàí òàâèõàä óòãàòàé áàéëãàäàã òîîíóóäûí îëîíëîãèéã òîäîðõîéëîãäîõ ìóæ ãýíý.1. ò.ì 2. ò.ì 3. ò.ì 4. ò.ì
Ä¿ðýì Áîäîëò:
y x 0xlgy x 0x 1
yx
0x y x ;
;x
4 28y x x
1. Ôóíêöèéí òîäîðõîéëîãäîõ
ìóæ îëîõ
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1.2.3.4.5.6.
7.
Ä¿ðýì Áîäîëò:
0c1x
1n nx n x u v u v u v u v u v u v v u
2
u u v v u
v v
4 2
3
8
4 16
y x x
x x
2. Óëàìæëàë îëíî
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3. ÑÝÆÈÃÒÝÉ ÖÝÃÈÉÃ ÎËÍÎ.
Óëàìæëàëûã îëæ òýãòýé òýíö¿¿ëæ áîäîæ îëíî.
Үед сэжигтэй цэгийг олно.
Ä¿ðýì Áîäîëò:
3
2
1
2
2
2
3
4 16 0
(4 16) 0
0, 0
4 16
4
2
2
x x
x x
x x
x
x
x
x
1
2
3
0
2
2
x
x
x
0y
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4. ÇÀÂÑÀÐÓÓÄÀА ТЭМДЭГЛЭ
- Êîîðäèíàòûí øóëóóí äýýð ñýæèãòýé öýãýý òýìäýãëýí çàâñàðóóäàä õóâààíà.-Çàâñàð áîëãîíîîñ äóðûí öýã àâ÷ óëàìæëàëûí óòãûã îëæ òýìäýãýý òàâèíà.
Ä¿ðýì Áîäîëò:
3
3
3
3 4 3 16 3 108 48 60
1 4 1 16 1 4 16 12
1 4 1 16 1 4 16 12
2 4 27 16 3 108 48 60
y
y
y
y
34 16y x x
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5. ФУНКЦИЙН ӨСӨХ БУУРАХ ЗАВСАРЫГ ОЛНО.
+ òýìäýãòýé áîë òýð çàâñàð ôóíêö ºñíº- Òýìäýãòýé áîë òýð çàâñàð ôóíêö áóóðíà.
1. Çàâñàðò (-) ó÷èð áóóðíà.2. Çàâñàðò (+) ó÷èð ºñíº.3. Çàâñàðò (-) ó÷èð áóóðíà4. Çàâñàðò (+) ó÷èð ºñíº.
Ä¿ðýì Áîäîëò:
;2 2;0 0;2
2;
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6. ЭКСТРЕМУМЫГ ОЛНО.
(-) ààñ (+) ð¿¿ øèëæèæ áàéâàë min-------------(+) ýýñ (-) ð¿¿ øèëæèæ áàéâàë max
Ä¿ðýì Áîäîëò:
-2 0 2
- 0 + 0 - 0 +
-16 0 -16
min max min
f x
f x
; 2
2;0 0;2 2;
4 2
4 2
( 2) ( 2) 8 ( 2) 16 32 16
(0) 0
(2) 2 8 2 16 32 16
y
y
Y
4 28y x x
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x-2 2
0
y
-16
-2,8 2,8
(-2,8;-16) (2,8;-16)(0;0) öýã¿¿äèéã тýìäýãëýæ ºñºõ áóóðàõ òýìäýãèéã õàðæ çóðíà.
![Page 13: функцийг шинжилж график байгуулах](https://reader036.vdocuments.pub/reader036/viewer/2022081417/55b3c58ebb61eb6b388b4595/html5/thumbnails/13.jpg)
Ôóíêöèéг øèíæèëæ ãðàôèê áàéãóóëàõäàà:
1.Ôóíêöèéí òîäîðõîéëîãäîõ
ìóæ îëíî.
2. Óëàìæëàë îëíî.
3. Ýêñðåìóì öýã îëíî.
6. max, min îëíî.
5.ªñºõ áóóðàõ çàâñàðûã
òîãòîîíî
4. Çàâñàðóóäàä
õóâààæ òýìäýãýý îëíî.
7. Ýêñòåìóì öýã äýýð ôóíêöèéí
óòãûã îëíî
8. Ãðàôèê áàéãóóëíà.
![Page 14: функцийг шинжилж график байгуулах](https://reader036.vdocuments.pub/reader036/viewer/2022081417/55b3c58ebb61eb6b388b4595/html5/thumbnails/14.jpg)
Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóëàõ
1-áàã
• Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
2-áàã
• Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
3-áàã
• Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
2 33y x x
3 23 1y x x
3 23 2y x x
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Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóëàõ
4-áàã
• Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
5-áàã
• Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
6-áàã
• Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
3 23 9y x x x
2 48 2y x x
4 22 4y x x
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Ãýðèéí äààëãàâàð
Ôóíêöèéã øèíæèëæ ãðàôèê áàéãóóë.
Äàðààãèéí õè÷ýýë äýýð ñýäâèéí øàëãàëò àâíà.
4 2
5 2
15 4.5
21
45
y x x
y x x