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Quincy has a jewelry business in which he designs and sells bracelets. His daily profit, Q(x), can be modeled by the function Q(x) = 6.25x − 43.75, where x is the number of bracelets he sells. What is the value of Q(7), and what is its interpretation?

Q(7) = 8.12; If Quincy sells 8.12 bracelets, he will earn $7.
Q(7) = 8.12; If Quincy sells 7 bracelets, he will earn $8.12.
Q(7) = 0; If Quincy sells 0 bracelets, he will earn $7.
Q(7) = 0; If Quincy sells 7 bracelets, he will earn $0.