Question

Which of the following functions is graphed below?

Answer 1

Greatest integer function.

Explanation:

The given graph is of greatest integer function which is the function that gives the output in integer number and is denoted by [ ].

For Example: [0.01]=0

[1.2]=1

Its graph is a discontinuous graph.

This is graph of [x] where x from -3 to 10.

Answer 2

We can't tell from the graph whether the left point of each step is included, or the right point. If the left, this is a graph of
y = 7 + floor(x)