Which best describes the end behavior of y=-2x3?

Acircle has a circumference of 28.36 units what is the diameter of the circle

Find the domain of the following expression: 1/(√x)-2

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?