The number line is a graph of the a. real numbers b. integers c. rational numbers

Hello!

A number line usually doesn't say, ,3.1567....., 3.8. Usually number lines do not use fractions either. They usually just may say, -1,0,1,2,3,4.. which are all integers.

Therefore, our answer is B) integers.

I hope this helps!

here is your mark brainliest