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Transcript of new doc 2018-02-23 11.46.21sosanko.weebly.com/uploads/3/7/4/1/37411349/... · new doc 2018-02-23...
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ゾ丁 し
1 . w h e n d o e s t h e g r a p h o f 2 s xz
+ 1 6 yz
+ 2 0 0 x - 1 6 0y + 4 00 = 0 h a v e h o r i z o n t a ı a n d v e r t i c a l t a n g e n t ı i n e s ?
Fampl e s
. T h e v a l u e o f a f r a c t i o n i s u n d e f i n e d w h e n M l
·
. I s e q u a ı t o
ı A f r a c t i o n i s e q u a l t o z e r o w h e n t h e, h u A i s e q u a l t o O
ı ı f t h e g r a p h o f a f u n c t i o n h a s a v e r t i c a ı t a n g e n t l i n e , t h e d e r i v a t i v e i s
. I f t h e g r a p h o f a f u n c t i o n h a s a h o r i z o n t a l t a n g e n t ı i n e , t h e d e r i v a t i v e i s O
l in e h a s a n u n d e f i n e d s ı o p e .
A u e ľR e m e m b e r , t h e s l o p e o f a h o r i z o n t a ı ı i n e i s c r
.'
i e s l o p e o f a h o r i z o n t a l ı i n e i 5 Z e , O
Im p l i c i t D iJf e r e n t i a t i o n A p p ı i c a t i o n s
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