Answer:
C. 3.2
Step-by-step explanation:
Heights of dogs: 10, 22, 15, 12, 16
✔️Find the mean of the data set = 
✔️Find |data value - mean|:
|10 - 15| = 5
|22 - 15| = 7
|15 - 15| = 0
|12 - 15| = 3
|16 - 15| = 1
✔️Find the sum of |data value - mean| and divide by 10:

✅M.A.D = 3.2
Answer:
f(x) = 
Step-by-step explanation:
If
is a root, then so is -
f(x) = 3(x +
)(x -
)(x - 2)
= 
= 3(
)
= 