Answer:

Step-by-step explanation:

Adding 2a to both sides

Taking sqrt on both sides

Answer:
I got 17n=5n]26n
I don't know what to do next but I hope it helps ^^
The maximum value of that graph is 1 and we can prove this by means of this graph:
http://assets.openstudy.com/updates/attachments/4fe27e44e4b06e92b87169f6-syderitic-1340243754047-unt...
I hope this one works for you