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Tema [17]
3 years ago
7

Chứng minh các hàm số sau là liên tục tại mọi điểm x R 

Mathematics
1 answer:
kvv77 [185]3 years ago
7 0

Answer:

i think its b. f x( ) = mx +b

Step-by-step explanation:

:)

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Answer:

(14 groups)

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Therefore 14 is your answer

Step-by-step explanation:

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\boxed{\green{=  {x}^{2}  - 18x - 21}}

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