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Math Help - Some math problems i cant seem to figure out? Part 2

  1. #1
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    Unhappy Some math problems i cant seem to figure out? Part 2

    5. Use the product, quotient, and power rules of logarithms to rewrite the expression as a single logarithm. Assume that all variables represent positives real numbers: 3 log lower case 2to (4x+6)+ 5 log lower case 2 to (3x-2)


    6. Use the change of base rule to find the logarithm to four decimals places: log lower case 2 to 8


    7. Solve the equation and express the solution in exact form: 1. 3^(x-1)=12 2. log(x+14)=2


    8. Solve the equation. If necessary, round to the nearest thousandth: 3^(2x-1)=22
    Last edited by mr fantastic; January 5th 2009 at 10:38 PM.
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  2. #2
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    Quote Originally Posted by rotw121 View Post
    5. Use the product, quotient, and power rules of logarithms to rewrite the expression as a single logarithm. Assume that all variables represent positives real numbers: 3 log lower case 2to (4x+6)+ 5 log lower case 2 to (3x-2)


    6. Use the change of base rule to find the logarithm to four decimals places: log lower case 2 to 8


    7. Solve the equation and express the solution in exact form: 1. 3^(x-1)=12 2. log(x+14)=2


    8. Solve the equation. If necessary, round to the nearest thousandth: 3^(2x-1)=22
    In my opinion all these questions are straight forward. So please, show us what you've done so far and tell us where you have difficulties to do these questions.
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