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It says that x cannot be -1...

number line showing x cannot be -1

It says that x CAN be 3...

number line showing x cannot be -1 and x can be 3

And it says that x can be a number between -1 and 3...

number line showing x is greater than -1 and less than or equal to 3

 


YOUR TURN:

Graph  2 < x < 7  on a number line.

Graph  -3 is less than or equal to x < 0  on a number line.