Question

given f(x) = [[x]], in what interval does f(x) =5

what does the [[ ]] mean? sorry, I don't even know what it is called

Answer 1

floor() function

Answer 2

a floor function?

Answer 3

[[ 3.5]] = 3
[[ -3.5]] = -4

Answer 4

yes

Answer 5

what is this, rounding?

Answer 6

rounding down?

Answer 7

yes, floor, rounds off to the SMALLER integer

Answer 8

oh, I get it now

Answer 9

thanks

Answer 10

yw