The answer to the given question is 5≤x<9.
Open interval do not include the given points where close intervals include the given points.
According to the given question
x is less than 9 and greater than or equal to 5
5≤x<9
There are 4 types of inequalities lees than, greater than, less than or equal to, greater than or equal to.
Suppose a is greater than 2 and less than 6 this can be written as
2<x<6.
another example a is greater than or equal to 2 and less than or equal to 6 then this can be written as
2≤x≤6.
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