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Properties of logarithmic functions  TOPIC_SOLVED

I have a series of problems that state: given that log b (2)=.39, log b (3)=.61 and log b (5)=.9, find the following for logs, do no try to find "b" Then there are easy ones to solve using multiplication and division properties, but there is one I'm not sure about. b log b (5) Can ...
by crescentcitycid
on Sun Feb 27, 2011 9:32 pm
 
Forum: Advanced Algebra ("pre-calculus")
Topic: Properties of logarithmic functions
Replies: 5
Views: 1914

Re: Properties of logarithmic functions  TOPIC_SOLVED

.9
Awesome, thank you.
by crescentcitycid
on Sun Feb 27, 2011 10:18 pm
 
Forum: Advanced Algebra ("pre-calculus")
Topic: Properties of logarithmic functions
Replies: 5
Views: 1914

Rewriting a logarithmic function  TOPIC_SOLVED

If I had the function R=2.3log(A+3000)-5.1 and I wanted solve for A in terms of R, would A=10((R/2.3)-5.1))-3000 be correct?
by crescentcitycid
on Sun Feb 27, 2011 10:28 pm
 
Forum: Advanced Algebra ("pre-calculus")
Topic: Rewriting a logarithmic function
Replies: 3
Views: 1587

Re: Properties of logarithmic functions  TOPIC_SOLVED

Well if logb(5)=.9 and logbb=1 then .9(1)=.9
by crescentcitycid
on Sun Feb 27, 2011 10:51 pm
 
Forum: Advanced Algebra ("pre-calculus")
Topic: Properties of logarithmic functions
Replies: 5
Views: 1914

Re: Rewriting a logarithmic function  TOPIC_SOLVED

Ah, I should start with adding the 5.1 then?
by crescentcitycid
on Sun Feb 27, 2011 10:57 pm
 
Forum: Advanced Algebra ("pre-calculus")
Topic: Rewriting a logarithmic function
Replies: 3
Views: 1587

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