What are the end behaviors of f(x) = -2(x -17)4?
A. Both ends go down.
B. Both ends go up.
C. The left end goes up; the right end goes down.
D. The left end goes down; the right end goes up.

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.