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? asked in Science & MathematicsMathematics · 1 month ago

Find a Function C?

As of January 2013, the U.S. Postal 

Service charged $0.46 postage

for first-class letters weighing up

to and including 1 ounce, plus a

flat fee of $0.20 for each

additional or partial ounce up to

and including 3.5 ounces.

First-class letter rates do not

apply to letters weighing more

than 3.5 ounces.

Source: U.S. Postal Service

Notice 123.

Find a function C that models the first-class postage charged, in dollars, for a letter weighing w ounces. Assume w > 0.

1 Answer

  • Jim
    Lv 7
    1 month ago

    C = $0.46 + $.20 * (integer of weight over 1)

    The actual formula is rather difficult without programming.

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