The function f(x)=xhas been translated 9 units up and 4 units to the right to form the function g(x). Which represents g(x)?
g(x) = (x + 9)^2 + 4
g(x) = (x + 9)^2 - 4
g(x) = (x - 4)^2 + 9
g(x) = (x + 4)^2 + 9