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Unformatted text preview: sample of 80 mg, ±nd an expression for m ( t ), the amount remaining after t years. ex. Suppose you invest $1000 in an account that doubles every 6 years. What will the value of the account be in 24 years? Find a formula for the value in t years. The base e Consider the slope of the tangent line to the graph of f ( x ) = a x at the point (0 ; 1). If a = 2 6? ± If a = 3 6? ± Def. e is the number such that the slope of the tangent line to y = e x at x = 0 is exactly 1. NOTE: e ± ex. Sketch the graph of y = e x . 6? ± Sketch the graph of the following: ex. y = e ± x 6? ± ex. y = 2 ± e ± x 6? ±...
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 Spring '08
 ALL
 Exponential Functions

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