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umka21 [38]
2 years ago
12

Tìm tất cả các hàm số f: Z-->Z thỏa: f( f(x)+f(y) ) = x+y+1, với mọi x,y thuộc Z

Mathematics
1 answer:
maksim [4K]2 years ago
3 0

Answer:

hello

Step-by-step explanation:

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\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{4}=\stackrel{m}{-2}[x-\stackrel{x_1}{(-2)}]\implies y-4=-2(x+2) \\\\\\ y-4=-2x-4\implies y = -2x

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The elevation of driskill mountain Louisiana is 163 meters above sea level death Valley has an elevation of -86 meters right any
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-86

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We have been given that the elevation of driskill mountain Louisiana is 163 meters above sea level. The death Valley has an elevation of -86 meters.

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