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Unformatted text preview: Horizontal Line Test Test to see if function is one-to-one Exponential Function f(x) = Ca x Natural Exponential Function f(x) = e x Compound Interest A = P(1 + r/n) nt o P Principle o r Interest o n - # of times per year o t - # of years Continuously Compounded Interest A = P e rt o P Principle o r Interest o t Number of years Logarithms o log x = k x = 10 k o ln x = k x = e k o log a x = k x = a k Properties of Logarithms o Log a 1 = 0 and log a a = 1 o Log a m + log a n = log a (mn) o Log a m - log a n = log a (m/n) o Log a (m r ) = rlog a m Log a x = log b x/log b a Solving Logarithmic Equations Matrices...
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