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faltersainse [42]
2 years ago
9

A 1lb box costs .50 to mail through the postal service. a 3lb box cost .92 to mail through the postal service. the postal servic

es calculates the weight to the whole pound. what functions represent the total cost f(x), to send a letter that is x pounds? select all that apply.
A- f(x)=0.21(x-1)+0.50
B- f(x)=0.50(x-1)+0.21
C- f(x)=0.50x
D- f(x)=0.21x+0.29
E- f(x)=0.21x
Mathematics
1 answer:
ser-zykov [4K]2 years ago
5 0

Answer:

- f(x)=0.50(x-1)+0.21

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