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Exponential and Logarithmic Functions : Effect of Doubling

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With the exponential function e^x and logarithmic function log x how do I graphically show the effect if x is doubled?

I need to also calculated the values for e^x and e^(2x) and plotted the values of e^x and e^(2x)
then I need to also calculated the values for log x and log 2x and plotted the values of log x and log 2x . I'm not sure how to do this correctly.

Why would you have the effect of doubling the value of x in logarithmic and exponential functions?

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The effect of doubling exponential and logarithmic functions is investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who orignally posted the question.

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I have provided the two corresponding charts in the attached Excel file.

As you can see, in the first chart, exp(x) and exp(2x) are plotted against the x-values. Clearly ...

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