Hello I need help with my homework! They are basic graphing and inequality questions asked in high school. Please graph the functions by hand (the function becomes much simpler after manipulating it). I would really appreciate if you could explain your reasoning when you graphed it (for example if the function is quadratic and the coefficient of a is negative then the parabola points downwards). It should not take long but please let me know if you have any questions.

Here is the problem set:http://tinypic.com/r/t4theo/9