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Ilia_Sergeevich [38]
3 years ago
15

Write a function in terms of t that represents the situation. A company profit of $20,000 decreases by 13.4% each year.

Mathematics
1 answer:
Anna35 [415]3 years ago
7 0

Answer:

The profit function is P(t)=20000(0.866)^t.

Step-by-step explanation:

The exponential decay function is defined as

P(t)=a_0(1-r)^t

Where, a₀ is initial value, r is rate of change and t is time (in year).

From the given information it is noticed that the initial profit is $20,000 and it decreases by 13.4% each year.

The profit function is defined as

P(t)=20000(1-\frac{13.4}{100})^t

P(t)=20000(1-0.134)^t

P(t)=20000(0.866)^t

Therefore the profit function is P(t)=20000(0.866)^t.

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(b)
Same steps as part (a) above:
h(t) = 4t + 3
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Answer for (b): h^{-1}(t) = \frac{t - 3}{4}

(c)
g^{-1} ( h^{-1}(t)) =  g^{-1} (\frac{t - 3}{4})
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 (d)
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