Write the solution in interval notation?

Question

x < 7 or x > 5

Answer 1

(5,7)

(-infinity, -4) U (5, infinity)

make it a good day

Answer 2

interval notation involves curved and square brackets

The first problem has x between 5 and 7, so (5,7)  If x was equal to either value you would use a square bracket.

The second problem has x smaller than -4 or greater than 5

the notation is hard on this screen (-infinity,-4) U (5, infinity)

The U means union which indicates &quot;and&quot;