# Logarithmic Functions

## Can you name the Logarithmic Functions?

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FunctionSolve for x
ln e^5 = x
2^x = 10 (simplify into a log)
log_3 27 = 2x - 5
log_2 (2x - 4) = 5
log_4 16 = x
log_5 (2x+3) = log_5 7
log_5 (1|125) = x
ln 1 = x
log 1 = x
log_x 81 = 4
FunctionSolve for x
log .01 = x
log x = -1
(1|2)*log_3 x = 2*log_3 2
3*log_2 x = -log_2 27
3^x = 15 (simplify into a log or ln)
log_5 x = 0
log_x sr(8) = 1.5
log_5 (1|25) = x
log_2 32 = x
log_2 sr(2) = x
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• Evaluate the functions. example: log_2 4 = x; x = 2. sr(x) is used for square root. ln is log_e or natural log. log is log_10. ^ is used for exponents.
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Last Updated: Feb 16, 2017

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