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Luba_88 [7]
3 years ago
5

Which of the following intervals represents the set (1,4) u [2,6]?

Mathematics
2 answers:
fenix001 [56]3 years ago
8 0
Set is a sum of two intervals :(1,4) u [2,6] 
In the first interval it is open on both sides so 1 and 4 don't belong to this interval, the second is closed so both 2 and 6 belong to interval and numbers between 2 and 6
We can write it as 1<x\leq 6
summing both sets we have one set: (1,6]
so
a) represent our set
b) also represent because all numbers between 4-6 and 6 are in our set
c)also represent, all numbers are in main set
d)also represent

garri49 [273]3 years ago
4 0
(1;\ 4)\ \cup\ [2;\ 6]=(1;\ 6]\\\\Answer:A.

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