Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-Suppose the weight (in pounds) of a baby boy x months old, for his first 10 months, can be approximated by the function $f ( x ) = 1.3 x + 7.7$ Find the predicted weight at the age of 1 months.

A) 8.7 lb
B) 7.7 lb
C) 10 lb
D) 9 lb