Respuesta :

Answer:

It is open if it is greater or less than >

It is closed if it is greater than or equal to  or    less than or equal to > (but with the line underneath it)

Step-by-step explanation:

Answer:

look at the point if it is closed it will look like a dot(10) if not it will look like an empty circle (11)

Step-by-step explanation:

x is greater than or equal to -2

x is less than -2

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