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Chapter 2.3, Problem 22E
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### Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203

#### Solutions

Chapter
Section
BuyFindarrow_forward

### Finite Mathematics and Applied Cal...

7th Edition
Stefan Waner + 1 other
ISBN: 9781337274203
Textbook Problem

# In Exercises 21-26, find the associated half-life or doubling time. [HINT: See Quick Examples 11-18.] Q = 1 , 000 e − 0.025 t

To determine

To calculate: The associated half-life time or doubling time of the model if Q=1000e0.025t.

Explanation

Given Information:

The provided model is Q=1000eā0.025t.

Formula used:

An exponential decay function has the form,

Q(t)=Q0eākt

Here, Q(t) is the remaining amount, Q0 is the value of Q at time t=0 and k is the decay constant.

The growth constant k and doubling time td for Q are related as,

tdk=ln2

Calculation:

Consider the provided model,

Q=1000eā0.025t

Here the value of k is negative so that it is an exponential decay model.

Compare the give decay model with the standard decay model Q(t)=Q0eākt to find decay constant

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