7. A group of ten friends played a number
guessing game. They were asked to pick
a number between 1 and 20. The person
closest to the target number wins. The
ten people made these guesses. The
actual number was 14. Below is a
completed table of the friends guesses
and the absolute guessing error.
2
guess
15 10 8 12 19 20 5 7 9
absolute guessing error 12 1 4 6 2 5 6 9 75
a. Graph the guess and corresponding
absolute guessing errors.
absolute guessing error
20
18
16
14
12
10
8 10 12 14 16 18 20 22
guess
b. What is the domain and range of this
function in set notation?