document.write( "Question 170044: 1.find the domain of the function f(x) = ln (8x-24)\r
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document.write( "2. simplify log (1/10)\r
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document.write( "3. write as a single logarithm and simplify (no decimal approximations)
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document.write( " 2 log 6 + log x - log 2\r
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document.write( "4. expand and simplify (no approximations: ln(ex) \n" );
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Algebra.Com's Answer #125603 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 1.find the domain of the function f(x) = ln (8x-24) \n" ); document.write( ": \n" ); document.write( "We can't have a negative value, (or 0) therefore: Domain: |x| x > 3 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "2. simplify log (1/10) \n" ); document.write( ": \n" ); document.write( "We can use the reciprocal of (1/10): \n" ); document.write( " \n" ); document.write( "-1*log(10) \n" ); document.write( ": \n" ); document.write( "we know the log of 10 = 1 \n" ); document.write( "-1*1=-1 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "3. write as a single logarithm and simplify (no decimal approximations) \n" ); document.write( ": \n" ); document.write( "2 log 6 + log x - log 2 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "log(18x) \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "4. expand and simplify (no approximations: ln(ex) \n" ); document.write( ": \n" ); document.write( "ln(e) + ln(x) \n" ); document.write( ": \n" ); document.write( "We know the ln of e = 1, therefore: \n" ); document.write( "ln(x) + 1 \n" ); document.write( " |