A certain element has a half-life of 69 years. An experiment starts with 1,500 grams of the element. The amount of the element remaining x years after the experiment began can be modeled with the function f(x) = 1,500(2)–x/69. The mathematical domain of the function is all real numbers.

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a

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but i personally believe that it is a fruit that is a brother to the banana

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just hit there bubble and hit add friend or go to the ppl thing in the corner and serch for them

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i hope this

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stay friends trust me it will make things way more awkward if you avoid him.