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11-05-2019
Mathematics

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Please help and thank you

Please help and thank you class=

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chikafujiwara chikafujiwara

11-05-2019

Answer:

A

Step-by-step explanation:

Define each of the terms.

f(x) is the total level of radioactivity.

x is the total number of weeks.

[tex]\frac{1}{2}[/tex] is the weekly decay factor.

30 is the initial level of radioactivity.

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