Square root of 15 because you don't know what know is going to go after it, unlike the others where you can guess the numbers that goes after it
Answer:
A
Step-by-step explanation:
-1/2+c=31/4
-1/2+c+1/2=31/4+1/2
c=33/4
Infinite intervals are closed if they contain a finite endpoint, and open otherwise. The entire real line is an infinite interval that is both open and closed
