document.write( "Question 563670: Please help with this. I can't understand the way my teacher is trying to explain.\r
\n" ); document.write( "\n" ); document.write( "Let \"b\" be a number such that log(b)3 = 1.5 and log(b)5=2.2
\n" ); document.write( "evaluate the following:\r
\n" ); document.write( "\n" ); document.write( "1. log (b)5/3
\n" ); document.write( "2. log (b)3b^2
\n" ); document.write( "3. log (b)45
\n" ); document.write( "4. log (b)(b/15)\r
\n" ); document.write( "\n" ); document.write( "Thank you so much for your help
\n" ); document.write( "

Algebra.Com's Answer #364983 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
This is just making use of general rules of logs:
\n" ); document.write( "(1) \"+log%28a%2Ab%29+=+log%28a%29+%2B+log%28b%29+\"
\n" ); document.write( "(2) \"+log%28a%2Fb%29+=+log%28a%29++-+log%28b%29+\"
\n" ); document.write( "(3) \"+log%28a%5Eb%29+=+b%2Alog%28a%29+\"
\n" ); document.write( "(4) \"+log%28b%2Cb%29+=+1+\"
\n" ); document.write( "All these rules can use any base for the logs
\n" ); document.write( "-------------------------------------
\n" ); document.write( "\"+log%28+b%2C3+%29+=+1.5+\"
\n" ); document.write( "\"+log%28+b%2C5+%29+=+2.2+\"
\n" ); document.write( "-----------------
\n" ); document.write( "(1)
\n" ); document.write( "\"+log%28+b%2C5%2F3+%29+=+log%28+b%2C5+%29+-+log%28+b%2C3+%29+\"
\n" ); document.write( "\"+log%28+b%2C5%2F3+%29+=+2.2+-+1.5+\"
\n" ); document.write( "\"+log%28+b%2C5%2F3+%29+=+.7+\"
\n" ); document.write( "-----------------
\n" ); document.write( "(2)
\n" ); document.write( "\"+log%28+b%2C3b%5E2+%29+=+log%28b%2C3%29+%2B+2%2Alog%28b%2Cb%29+\"
\n" ); document.write( "\"+log%28+b%2C3b%5E2+%29+=+1.5+%2B+2%2A1+\"
\n" ); document.write( "\"+log%28+b%2C3b%5E2+%29+=+3.5+\"
\n" ); document.write( "-----------------
\n" ); document.write( "(3)
\n" ); document.write( "\"+log%28+b%2C45+%29+=+log%28b%2C9%29+%2B+log%28b%2C5%29+\"
\n" ); document.write( "\"+log%28+b%2C45+%29+=+log%28b%2C3%5E2%29+%2B+2.2+\"
\n" ); document.write( "\"+log%28+b%2C45+%29+=+2%2Alog%28b%2C3%29+%2B+2.2+\"
\n" ); document.write( "\"+log%28+b%2C45+%29+=+2%2A1.5+%2B+2.2+\"
\n" ); document.write( "\"+log%28+b%2C45+%29+=+5.2+\"
\n" ); document.write( "-----------------
\n" ); document.write( "(4)
\n" ); document.write( "\"+log%28+b%2Cb%2F15+%29+=+log%28+b%2Cb+%29+-+log%28+b%2C15+%29+\"
\n" ); document.write( "\"+log%28+b%2Cb%2F15+%29+=+1+-+log%28+b%2C3%2A5+%29+\"
\n" ); document.write( "\"+log%28+b%2Cb%2F15+%29+=+1+-+log%28+b%2C3+%29+-+log%28+b%2C5+%29+\"
\n" ); document.write( "\"+log%28+b%2Cb%2F15+%29+=+1+-+1.5+-+2.2+\"
\n" ); document.write( "\"+log%28+b%2Cb%2F15+%29+=+1+-+3.7+\"
\n" ); document.write( "\"+log%28+b%2Cb%2F15+%29+=+-2.7+\"
\n" ); document.write( "
\n" );