The average monthly precipitation P (in inches), including rain, snow, and ice, for Sacramento, California can be modeled by
?
, 
?
where t is the time (in months), with 
corresponding to January. Find the total annual precipitation for Sacramento.
?
A. 18.02 in.
B. 17.69 in.
C. 14.52 in.
D. 16.57 in.
E. 18.90 in.
Answer: B
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