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For the exponential function e^x and logarithmic function log x, graphically show the effect if x is doubled.

Does anyone know what this is meaning? Any explanation would be appreciated. Thanks!!!

2007-06-12 05:50:25 · 3 answers · asked by krisy 1 in Science & Mathematics Mathematics

3 answers

e^x vs. e^2x
Graph both functions and you'll see that the second is a steeper exponential.

Same sorta thing for log x and log 2x except the second function is a decreasing faster logarithmically.

2007-06-12 05:57:47 · answer #1 · answered by gebobs 6 · 0 0

Given a function e^x, The function would have a y intercept of 1, and no xintercept.
This function could only lie of quadrant I and II, where it approaches y=0 at quadrantII and appraoches y=infinity at quadrant I
Doubling the equation, I will give the same description, but The rate of increase and decrease is much more superior.
The log function.
logx means that 10^y=x
x can never equal 0 or a negative number
Thus this graph can be from quadrant I to IV
Doubling x would do the same thing as an exponential function.

2007-06-12 12:59:39 · answer #2 · answered by UnknownD 6 · 0 0

You must draw a graph of y=e^x and y=log(x).
The following websites show graphs.
http://www.sctboces.org/spencer/mathpage/lograph.htm
----------and----------------
http://www.physics.uoguelph.ca/tutorials/exp/graph1.html
Good luck!

2007-06-12 13:09:38 · answer #3 · answered by cidyah 7 · 0 0

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