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Strike441 [17]
2 years ago
15

Use the exponential growth model, A = A0 e^kt to show that the time is takes a population to double (to frow from A0 to 2 A0) is

given by t = ln 2/k.
Mathematics
1 answer:
ludmilkaskok [199]2 years ago
6 0

Answer:

<em>Proof below</em>

Step-by-step explanation:

<u>Exponential Grow Model</u>

The equation to model some time dependant event as an exponential is

A=A_oe^{kt}

Where Ao is the initial value, k is a constant and t is the time. With the value of Ao and k, we can compute the value of A for any time

We are required to find the time when the population being modeled doubles from Ao to 2 Ao. We need to solve the equation

2A_o=A_oe^{kt}

Simplifying by Ao

2=e^{kt}

Taking logarithms in both sides

ln2=lne^{kt}

By properties of logarithms and since lne=1

ln2=kt\cdot lne=kt

Solving for t

\displaystyle t=\frac{ln2}{k}

Hence proven

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