Hi, I'd appreciate it if someone could check my working for Question 4. (Sorry about the poor quality, let me know if you can't read it.)
Question - imgur: the simple image sharer
Working - imgur: the simple image sharer
The images are not there. You can upload images to MHF directly - which makes things a little easier for us. Or you can learn how to use LaTeX.
I should probably explain a little - my previous post was too harsh. When I try to access your images, I get a message "Zoinks! You've taken a wrong turn." So I can't help you with your problem.
Instead of making it so that we have to click the link to see the image, you can upload it directly to MHF. Then you can be sure we see your problem. Here's an example: http://mathhelpforum.com/calculus/22...der-curve.html
MHF also uses a language called LaTeX which makes it easy to create mathematical equations. Here's an example: