Question 1130477
Hourly rate is given by  {{{P(t)=7.44(1.05)^t}}}.


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Find the amount of time after which he will be earning​ $10.00 per hour.
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{{{P(t)=10}}}.
Take logs of both sides of the equation and solve for t.



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Find the doubling time. 
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{{{(2)(7.44)=7.44(1.05)^t}}}

{{{2=1.05^t}}}

Solve for t.