Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Graphing a function

  1. Feb 28, 2006 #1
    I am still in k12, what is a graph of lnx if i know what e^x looks like ?????
     
  2. jcsd
  3. Feb 28, 2006 #2

    HallsofIvy

    User Avatar
    Science Advisor

    If y= ln x then x= ey. Just swap your x and y axes. Another way to do the same thing is to draw the line y= x and "reflect" the graph in that. That is, the point (0,1) becomes (1, 0).
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook