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(a) Find a formula for the number of bacteria at time t. (b) Find the number of bacteria after one hour. (c) After how many minutes will there be 50 000 bacteria?
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LOGARITHMS PRACTICE SIMPLIFYING EXPRESSIONS. single logarithm. log 2 7 + log 2 2. log 2 20 − log 2 4. 3log 5 2 + log 5 8. 2log 6 8 − 5log 6 2. log 10 8 + log 10 5 − log 10 0.5. log 2 14 , log 2 5 , log 5 64 , log 6 2 , log 10 80. single logarithm.
Logarithm formulas. = loga x () ay = x (a; x > 0; a 6= 1) loga 1 = 0. loga a = 1. loga(mn) = loga m + loga n. m. loga = loga m. n.
log . . . = logbX – logbY. logb(XY) = logbX + logbY Power Rule for Logarithms. Quotient Rule for Logarithms. Product Rule for Logarithms. The following examples show how to expand logarithmic expressions using each of the rules above.
Logarithmic Equations. Version 1. Name: ________________________________. Date: _____________. Score: ________________. Direction: Solve each logarithmic equations. Check your solutions to exclude extraneous answers. Show all your answer in the space provided. log x .
Enjoy these free sheets. Each one has model problems worked out step by step, practice problems, as well as challenge questions at the sheets end. Plus each one comes with an answer key.
