I have two questions. So how do i determine the function which corresponds to this graph http://i.imgur.com/wkhfTso.png the asymtote is x=-5.... and how do i find the exact solution to this problem http://i.imgur.com/gTO7TSZ.png

Question

I have two questions. So how do i determine the function which corresponds to this graph  http://i.imgur.com/wkhfTso.png the asymtote is x=-5.... and how do i find the exact solution to this problem http://i.imgur.com/gTO7TSZ.png

anonymous · Answer

250(1/5)^x/2=5
0r (1/5)^x/2=5/250
(1/5)^x/2=1/50
taking log on both sides
x/2log(1/5)=log1/50
from here u can put the value of log(1/5) andlog(1/50) and simplify u will get ur answer