using the graph below select all statements that are true

 using the graph below select all statements that are true

A. This is the graph of the greatest integer function

B. f(4.5)=5

C. This graph is one to one

F. f(0)=0

E f(1.4)=1

Answer :

we will select each options and then verify it : Correct choices: B, C, D

First answer is wrong: a one to one function maps different inputs to different outputs, while you can see that all numbers in are mapped to the same value , for every . So, the function is not one to one.