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.

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