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Mathematics, 08.12.2020 20:30, elishaheart21
Al-ounce letter costs $0.50 to mail through the postal service.
A 3-ounce letter costs $0.92 to mail through the postal service.
The postal services calculates the weight to the whole ounce.
What functions represent the total cost f (x) to send a letter that is 2 ounces? Select all that apply.
A:f(3) = 0.21 (x - 1) + 0.50
B:f(x) = 0.50 (2 โ 1) + 0.21
C: f(x) = 0.50x
D:f(3) = 0.213 +0.29
E:f(1) = 0.212
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Answers: 2
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