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shepuryov [24]
3 years ago
6

Please answer this !!

Mathematics
1 answer:
Nataly [62]3 years ago
5 0
C(3) = -0.09(3)² + 3.5(3) + 8
        = -0.09 * 9 + 10.5 + 8
        = -0.81 + 18.5
        = 17.69 parts per million
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