Archive for February, 2009

Rules of logarithm functions and their graphs.

Sunday, February 15th, 2009

logbb = 1
because b1 = b
logb1 = 0
because b0 = 1
logee2x = 2x
because e2x = e2x
logbbx = x
because bx = bx
elogee2x = e2x
because logee2x = logee2x
logex = logx / loge
the inverse of y=logbx is by=x
3 points that always exist in a log
( 1/b , -1 )
( 1 , 0 )
( b , 1 )
When b […]