Chapter 1 Quiz Question 6 of 24 This quiz: 24 point This question: 1 p For the given functions f and g, complete parts (a) (h). For parts (a) (d), also find the domain. K f(x ) = 15x; 9(x) =6x -5 (d) Find (Simplify your answer. Type an exact answer, using radicals as needed.) What is the domain of - ? Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The domain is {x} (Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. The domain is (x| x is any real number). (e) Find (f+ 9)(7) (f+9)(7) = (Tuna on avart anewar weinn radicals as naadad I lea intanare or fractions for any numbare in the avpression