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can u tell me if my answers are correct here?

A football star earns a $12 million annual salary in 2010. In 2015, he will earn $14,500,000. What is the rate of change of his salary per year?



$500,000 per year


$1,000,000 per year


-$500,000 per year


-$1,000,000 per year
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$1,000,000 per year is what I think, correct?

Respuesta :

By the process of elimination, it is already not the last 2, so it is 50/50 chance to get it correct, but if you know how to add, you can figure out that 1 million per year in 5 years means that it is 12 million + 5 million, which is equal to 17 million and not 14,500,000. This brings it down only to 500,000$ salary increase per year

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