Which of the functions defined below could be the one shown in this graph? Choose the correct answer below.
O A. f(x) = 4(2)*-1-3
O B. f(x) = 4(2)*+1-3
O c. f(x) = 4(2)*-1 +3
OD. f(x) = 4(2)x+1+3

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?