For f(x) - 12 - 4 and g(x) - 52 - 9, find (f + 9) (1) : Oa) - 1 O b ) - 7 O2 7 O d) 1 Question 40 (1 point) 1) Listen For the function " ) (3), where f(z) - 3x + 5 and g(x) = log2 1, the restriction on the domain would be: O a) there is no restriction on the domain Ob ) x > 0 Ocx = 1 Od) x > 0, x # 1