# calculus

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X. An automobile with seven years of use has a commercial value of \$34057.7, but five years ago its value was \$72250. If the value of such automobile varies exponentially with the time. (36-41)

36.- What was the value of the automobile when it was new?

37.- What will be the value of the automobile after 10 years of use?

38.- How many years of use will the automobile have with a value of \$10277?

39.- After how long of use does the value of the automobile reduce to the half?

40.- After how many years of use the value of the automobile reduces to the fourth part of its initial value?

41.- After how many years of use does the value of the automobile reduce to the third part of its initial velocity?

• calculus -

I do not recommend using Roman numerals for calculus

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