Brian is analyzing the performance of certain stocks. He finds that for the first fifteen days of a 30-day period

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Brian is analyzing the performance of certain stocks. He finds that for the first fifteen days of a 30-day period, the daily closing price per share of Phonexpharma Inc. conformed to the function \(f(x)=0.4x+2,\) where x represents the day in th period. He found that for the last 15 days in the same period, the stock followed the function \(f(x)=(-1/7)x+9,\) where x represents the day in the period. Approximately what is the median closing price per share of Phonexpharma Inc. for the entire 30-day period?

A. 4.7
B. 5.55
C. 6.71
D. 8
E. 11.1

OA B
Source: — Problem Solving |