Functions and Relations Question
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Grade 11 Functions and Relations CCSS: HSF-LE.B.5
An ecologist is studying the cleanup of a polluted lake. He models the amount of pollutant remaining with P(d) = −25d + 1000, where P is the kilograms of pollutant and d is the number of days since the cleanup began. After a new, more efficient bacteria is introduced to the lake, the daily rate of pollutant removal increases. Which of the following functions represents the improved cleanup process?
- P(d) = −25d + 900
- P(d) = −20d + 1000
- P(d) = −30d + 1000
- P(d) = −25d + 1100
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