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 with respect to y

  1. Mar 12, 2008 #1
    1. The problem statement, all variables and given/known data
    I'm having difficulty graphing with respect to y (unless I graph it point by point).

    For example, I find it hard to graph: [tex] f(y)= \frac{y}{\sqrt{16-y^2}}[/tex]


    Does anyone know of an easy method to graph such a function or know how to do it on a Ti 84+ SE? Also, it would be great if someone could link me to a website that shows you a method. Thanks!
     
  2. jcsd
  3. Mar 12, 2008 #2
    Whenever you graph something, you need to first identify the independant and dependant variables. In this case, y is the independant variable and f(y) is the dependant variable so it is really no different than graphing an equation with x and f(x).

    Most graphing calculators will only let you call the independant variable "x" and the dependant variable "y" so this is a time when you just have to be smarter than the calculator.
     
  4. Mar 12, 2008 #3

    HallsofIvy

    User Avatar
    Science Advisor

    Graph [tex]y= f(x)= \frac{x}{\sqrt{16-x^2}}[/tex]
    and then turn your calculator on its side!
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook