Match each combination to the corresponding value. Two real-valued functions, Ax) and gx), are defined as x) = x + 6x +9 and g(x) = x2 - 9. Find the results of combining these functions.
(f+g)(x)
(f-9)(x)
(fx g)(x)
(f=9)(x)
6(x+3)
2x(x + 3)
(+3)
(1-3)
X4 + 6x2 - 54x-81