## Smallest Integer Function (Ceiling Function) – Graph, Domain and Range

Here you will learn what is smallest integer function definition, graph and its domain and range with examples. Let’s begin – Smallest Integer Function (Ceiling Function) Definition : For any real number x, we use the symbol $$\lceil x \rceil$$ to denote the smallest integer greater than or equal to x. For example, \(\lceil 4.7 …