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The viewer needs to pay attention to solving the x-intercept. If you get a negative log, you have to make sure to know that you cannot take the log of something. Therefore, the x intercept is undefined and there is no x-intercept. Also you must acknowledge that the range changes all the time because it depends on the asymptote. If it the graph is below the asymptote, the graph will go up until the asymptote. If it is above, it will start at the asymptote to infinity.
Thursday, October 24, 2013
SP #3 Unit I Concept 1:Graphing Exponential Functions
The viewer needs to pay attention to solving the x-intercept. If you get a negative log, you have to make sure to know that you cannot take the log of something. Therefore, the x intercept is undefined and there is no x-intercept. Also you must acknowledge that the range changes all the time because it depends on the asymptote. If it the graph is below the asymptote, the graph will go up until the asymptote. If it is above, it will start at the asymptote to infinity.
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