12 terms

# A2Vocab- Logarithmic Functions

#### Terms in this set (...)

logarithmic function
The inverse of an exponential function
common logarithm
A logarithm of base 10
natural logarithm
A logarithm of base e
pH
A number from 0 to 14 representing the acidity or alkalinity of a solution
domain
The set of values of the independent variable for which the function or relation is defined (typically the x-values)
range
The output values in a function (typically the y-values)
Change of Base Formula
The formula that allows the evaluation of logarithmic expressions that are not of base 10 or e
Product Property of Logs
The property illustrated by log x + log y = log(xy)
Quotient Property of Logs
The property illustrated by log x - log y = log(x/y)
Power Property of Logs
The property illustrated by r•log x = log (x^r)
extraneous solution
A solution of a simplified version of an equation that is not a solution of the original equation
vertical asymptote
A vertical line that serves as a boundary for a region of a graph