Transcription of Exponential and Logarithmic Functions Reminder Sheet
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Exponential and Logarithm Rules Reminder Sheet Here are some facts you ll be glad you remembered. Exponent Rules: (a & b are positive real numbers, x & y are real numbers) Write examples of each rule. Can you prove it in general? yxyxaaa+= yxyxaaa = ()()xxxxyyxbaabaa== xxxbaba= If yxaaayx= = ,1 If babaxxx= = ,0 If 0 a, 10=a Logarithm Rules: (a, x, y are positive real numbers, 1 a) Write examples of each rule. Can you prove it in general? ()()()yxxyaaalogloglog+= ()()yxyxaaalogloglog = ()()xyxayaloglog= You may not remember this, but it will come in handy when you are asked to graph ()xyalog= and a is not 10 or e. bxxccblogloglog= Where c is any base you choose, (I d choose 10 or e, since that s what your calculator does by default) proof: ()()()()()()bxAxbAxbxbAxcccccAcAbloglogl ogloglogloglog= = = = =
Exponential and Logarithm Rules Reminder Sheet Here are some facts you’ll be glad you remembered. Exponent Rules: (a & b are positive real numbers, x & y are real numbers) Write examples of each rule.
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