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In the year 2004, a company made $5.2 million in profit. For each consecutive year after that, their profit increased by 15%. How much would the company's profit be in the year 2007, to the nearest tenth of a million dollars?

User Spar
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Answer:

The company's profit in the year 2007 would be of $7.9 million.

Explanation:

The profit of the company, in t years after 2004, is given by the following equation:


P(t) = P(0)(1+r)^(t)

In which P(0) is the profit in 2004, and r is the growth rate, as a decimal.

In the year 2004, a company made $5.2 million in profit.

This means that
P(0) = 5.2

For each consecutive year after that, their profit increased by 15%.

This means that
r = 0.15

Then


P(t) = P(0)(1+r)^(t)


P(t) = 5.2(1+0.15)^(t)


P(t) = 5.2(1.15)^(t)

How much would the company's profit be in the year 2007, to the nearest tenth of a million dollars?

2007 is 2007 - 2004 = 3 years after 2004. So this is P(3).


P(t) = 5.2(1.15)^(t)


P(3) = 5.2(1.15)^(3) = 7.9

The company's profit in the year 2007 would be of $7.9 million.

User ZeissS
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