Question

f(x) = 2[[x]] - 5 is the function and f(m) and f(b+2) needs to be plugged in the function

Answer 1

\[
f(\text{stuff}) = 2\lbrack\![ \text{stuff}\rbrack\!] - 5
\]

Answer 2

what does [[ ]] mean?

Answer 3

that's what it looks like on my paper

Answer 4

it actually has this [|x|]

Answer 5

Is it like what I wrote?

Answer 6

take a screenshot and attach if psble

Answer 7

@ganeshie8 the attach file never works for me

Answer 8

http://mathworld.wolfram.com/FloorFunction.html
I see a similar notation here
but don't know if the notation has the same meaning...
| | i guess means absolute value
and the [ ] thingy means floor...

Answer 9

we are looking for the meaning

Answer 10

can you tell us what the notation is defined as in your class