Of course, and I will do so, thank you very much ^^

However, I do have a few more problems that I need some help with.

I'll just list them off, as I don't even know how to start any of them.

30. a) The graph of a quadratic function has x-intercepts, -1 and 3, and a range consisting of all numbers less than or equal to 4. Determine an expression for the function. (I tried to reverse factor, but I got a positive parabola, not a negative one.)

31. Write as a single equation in x and y: x = t + 1, y =

34. Express x in terms of the other variables in this picture:

http://www.flickr.com/photos/46210274@N07/4918073428/ (I drew it myself, I know it's kind of small, but it is a replica of the drawings in the packet)