# User Rod

## Activity by Rod

 Score: 425,020 points (ranked #1) Title: Top Rated User Questions: 32 (7 with best answer chosen) Answers: 7,536 (410 chosen as best) Comments: 331

## Wall for Rod

I haven't been so well for the past few days but I think I'm getting over it a bit now.
Jan 12 by Rod
Phew, i thought you were hurt or something! Sheesh! MAN! OMG! TY! YOUR OK!
Jan 12 by Mathical
Comms were down for a while and it took me some time to get them back. I couldn't even communicate with my router. Anyway, eventually I got them back, just now and e-mails started to come through.
Jan 12 by Rod
Rod, I hope your alright because I been calling you and you haven't showed up.
Jan 12 by Mathical
Classify the following differential equations as whether
A. Ordinary or partial
B. Linear or non linear
C. Unknown function
D. Independent  variables
E. Order
F. Degree.
1.s"-4s'+5s'=cosx-4sinx
2.[1+d^2y/dx^2]^3/4 =p(dy/dx) ^2
3.x^2(d^y/dx^3)^4+log(1+x) (d^2y/dx2)^5=x^7
4.xd^2v/dx^2+(dv/dx) ^1/3=e^x
Oct 30, 2016 by CRISTDOM
Please can you help me to solve this, ( 2'-3) this the point
Jul 23, 2016
The function f(x)=x^3-x^2-x-11/4 is graphed in the x-y plane above. If k is a constant such that the equation f(x)=k has three real solutions, which of the following could be the value of k?
Jul 23, 2016