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The number of people contacted at each level of a phone tree can be represented by f(x)=3^x where x represents the level. What is x when f(x) =27?

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carlafossil320
So the situation here is that 3^x=27. This means that x=3 as 3 cubed equals to 27. when f(x)=27, for f(x)=3^x, x=3. You could have also done this via a natural logarithmic equation:
[tex] \frac{ln27}{ln3}=3 [/tex]
 

Apex x=3; At level3, 27 peopole will be contacted

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