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The postage for a first class letter weighing 1 ounce or less is $.47 each additional ounce is $.21 the maximum weight of a first class letter is 3 1/2 ounces write a function t…

The postage for a first class letter weighing 1 ounce or less is $.47 each additional ounce is $.21 the maximum weight of a first class letter is 3 1/2 ounces write a function t…
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The postage for a first class letter weighing 1 ounce or less is $.47 each additional ounce is $.21 the maximum weight of a first class letter is 3 1/2 ounces write a function to represent the situation

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User Yoape
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f(x) = 0.47x + 0.21(x-1), where x ≤ 3.5

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User Satch
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