exam Maths Puzzle Numerical Ability

I was doing fine on my homework in till I came to a couple of questions that I could not figure out, if you could help me I would really appreciate it.
Here is the problem 2x+1/x

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exam Other Question

((x+2)^2/9)-((y-3)^2/25)=1
multi choice
a. (-2,-2)and (-2,8)
b. (-5/3)and (1,3)
c. (5,-3)and (-1,-3)
d. (2,2)and (2,-8)
Solve the equation

44. 4/9x = 6

Any help with this equation would be Greatly</b> appreciated.