Question

Can't seem to get this one, help? (20pt)

Answer 1

Answer:

The answer to your question is:     (∞ , 3]

Step-by-step explanation:

Remember that to express an inequality, are used ( ) and [ ].

(  ) are used when the point is not consider in the interval.

[  ]  are used when the point is consider or is part of the interval.

Also, an empty point indicates that the number is not consider in the interval.

and, a filled point indicates that the number is consider in the interval.

For your question, the interval will be:

                               (∞ , 3]