Question

On a number line, draw the intersection and the union of the following intervals. ( − ∞ , 7) and [ − 5 , +∞)

Answer 1

n:

The intersection is what is the middle part of a venn diagram, which is the common part.

The common part is [-5,7), which is the intersection. This is assuming there are no typos here.

The union is the entire venn diagram, which is just from (-inf, inf)