Answer:
x is all real numbers.
Step-by-step explanation:
Since there is only 1 value of y, it is a straight line. Since domain measures the range of x values, it can be any real number as the line goes from negative infinity to infinity.
Answer:

Step-by-step explanation:
mean: (22+12+14+14+13+9)=14
|22-14| + |12-14| + ... + |9-14| =16
MAD = 16/6 = 
5+4=9
9+4=13
13+4=19
Answers is 4