How many feet are there in 10 km? (1 m = 3.3 ft) 328.084 ft 32,808.4 ft 328,084 ft 3,280.84 ft

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

15 points what is the end behavior of this graph? & what is the asymptote of this graph?