*This preview shows
page 1. Sign up to
view the full content.*

**Unformatted text preview: **2 a f ( cx ) dilates by factor of 1 c horizontally Vertex x = h k a Factored x = r 1 , x = r 2 Logarithms Definition of logarithm log b x = y is equivalent to b y = x Properties of logarithms log b b = 1 log b 1 = ( b , P and Q are positive, b " 1 ) log b PQ = log b P + log b Q log b ( P Q ) = log b P " log b Q log b P n = n log b P b log b P = P Change of base formula log a x = log b x log b a Exponential growth and decay Compound interest (period) A = P (1 + r n ) nt Compound interest (continuous) A = Pe rt Exponential growth/decay formula N t ( ) = N e kt , (growth), N t ( ) = N e " kt (decay)...

View Full
Document