Answer:
84 is the median
Step-by-step explanation:
100, 100, 92, 90, 88, 84, 81, 80, 80, 75, 40
\ 100, 92, 90, 88, 84, 81, 80, 80, 75 /
\ 92, 90, 88, 84, 81, 80, 80 /
\ 90, 88, 84, 81, 80 /
\ 88, 84, 81 /
\ __ /
84
the range of all the function is [-1, + infinity[
but when it limits the domain it gonna be
(-1,0,3,8)
8:24, 24: 72, 16:48
There's a lot just multiply them by the same number