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Mathematics, 25.05.2021 20:00 bnnn

The cost of producing n toys at a factory is given by the polynomial 5n2 + 3n + 12. The cost of packaging is 3n2 + 5n + 4. Which expression describes the total cost of producing
and packaging n toys?
A 15n2 + 15 + 48
B8n2+ 8n + 16
C 8n2 + 15 + 48
D 15n+ 15n + 16

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