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: Find instantaneous rate of change of 7/3z^2

  1. Oct 12, 2005 #1
    "Find the instantaneous rate of change of w with respect to z if w=(7/3z^2)"
    excuse the primitive equation...any help???
     
  2. jcsd
  3. Oct 12, 2005 #2
    Just http://mathworld.wolfram.com/Derivative.html" [Broken] it with respect to z.
     
    Last edited by a moderator: May 2, 2017
  4. Oct 12, 2005 #3

    HallsofIvy

    User Avatar
    Science Advisor

    Is that w= (7/3)z2 or w= 7/(3z2)?

    I suspect the former which should be easy to differentiate using
    (zn)'= n zn-1. If the latter, write it as w= (7/3)z-2 and use the same rule.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook