14
12
10
8
6
4
2
0
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Foot length(cm)
The line models the relationship between body
weight and foot length for a group of infants.Based
on the model， what is the predicted weight， in
kilograms(kg) ， of an infant with afoot length of 9
centimeters(cm) ?
A)5
B)7
C)9
D)11