Find the domain and range of the function. Show all your work.
y= |3x + 8|

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.

2f(x)= x+3 if 4 < x < 8 2x if x 28 2