Question

An unknown number x is at most 30. Which graph best represents all the values of x?

Number line graph with closed circle on 30 and shading to the right.
Number line graph with closed circle on 30 and shading to the left.
Number line graph with open circle on 30 and shading to the left.
Number line graph with open circle on 30 and shading to the right

Answer 1

b

Explanation:

Answer 2

This would be the second option. That is because a closed circle means that x could be 30, and shading to the left means that it could also be less than 30, which matches the description.