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Unformatted text preview: y & & 4 the yintercept and y & 2 the horizantal asymptote. Third step changes the signs of yintercept and horizantal asymptote. The last step makes y & 3 the yintercept and y & & 3 the horizantal asymptote. It also affects the xintercepts. The resulting graph is: 6 4 2246 3 2 1123 x y & 2 f & x /2 ± & 1 Problem 2 (3 pts.) Prove the identity: log a b & ln b ln a Solution. Let’s say log a b & x . We want to show that x & ln b ln a . Follow the steps below: a x & b rewriting log. as exponential ln a x & ln b taking ln of both sides x ln a & ln b use a property of logarithms x & ln b ln a ....
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 Spring '10
 Many
 Math, Derivative, 15 minutes, Natural logarithm, 3 pts, 7 pts, horizantal asymptote

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