Answer:
Number of apples is the prediction of the total weight an extrapolation is:
18
Explanation:
Extrapolation--
The extrapolation of a data point is an estimation of the value of the point based on the data that is provided to us.
In short it is a process of the estimation of the data which are beyond the original observation of the data that is provided to us.
Hence, here the extrapolated data is:
18
( Since 18 is beyond the range as the curve goes out of the area )