How do I know if it’s closed or not? (Ignore the “Ben...”
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