The correct answer is A.
EXPLANATION
The given function is called the greatest integer function.
That is
f(x)=[x]
f(2.7)=[2.7]=2
The input is 2.7, the output
is the greatest integer that is less than or equal to 2.7
All integers less than 2.7 are
[tex],...,-3,-2,-1,0,1,2}.[/tex]
The greatest of all of them is 2.
In programming... The int variable behaves like this function.
int(2.7) will give you 2
Simply put that function gives you the integer part of whatever is in it.
