2x The function f(x) = is one-to-one. x +7 (a) Find its inverse and check your answer. (b) Find the domain and the range of f and f. (a) f ' (x) = (Simplify your answer.) (b) Find the domain of f. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The domain is {xx (Type integers or fractions. Use a comma to separate answers as needed.) O B. The domain is {xx } (Type integers or fractions. Use a comma to separate answers as needed.) O C. The domain is {xx =} (Type integers or fractions. Use a comma to separate answers as needed.) O D. The domain is the set of all real numbers.2x The function f(x) = is one-to-one. x + 7 (a) Find its inverse and check your answer. (b) Find the domain and the range of f and f . Find the range of f. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The range is {yly = (Type integers or fractions. Use a comma to separate answers as needed.) O B. The range is {yly= } (Type integers or fractions. Use a comma to separate answers as needed.) O C. The range is {yly } (Type integers or fractions. Use a comma to separate answers as needed.) O D. The range is the set of all real numbers.2x The function f(x) = x + 7 is one-to-one. (a) Find its inverse and check your answer. (b) Find the domain and the range of f and f Now, find the domain of f. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The domain is {x/x # (Type integers or fractions. Use a comma to separate answers as needed.) O B. The domain is {xx} (Type integers or fractions. Use a comma to separate answers as needed.) O C. The domain is {xx =} (Type integers or fractions. Use a comma to separate answers as needed.) O D. The domain is the set of all real numbers.2x The function f(x) = x +7 s one-to-one. (a) Find its inverse and check your answer. (b) Find the domain and the range of f and f 1. (Type integers or fractions. Use a comma to separate answers as needed.) O B. The domain is {xx= } (Type integers or fractions. Use a comma to separate answers as needed.) O C. The domain is {xx=} (Type integers or fractions. Use a comma to separate answers as needed.) O D. The domain is the set of all real numbers. Find the range of f. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The range is {yly } (Type integers or fractions. Use a comma to separate answers as needed.) O B. The range is {yly = } (Type integers or fractions. Use a comma to separate answers as needed.) O C. The range is {yly= } (Type integers or fractions. Use a comma to separate answers as needed.) O D. The range is the set of all real numbers.For f(x) = 6x + 8 and g(x) = x", find the following composite functions and state the domain of each. (a) fog (b) gof (c) fof (d) gog (a) (fog)(x) = (Simplify your answer.) Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The domain of fog is {x } (Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. The domain of fog is all real numbers. (b) (g of)(x) = (Simplify your answer.) Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The domain of g of is {x | } (Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. The domain of g of is all real numbers. (c) (f of)(x) = (Simplify your answer.)For f(x) = 6x + 8 and g(x) = x, find the following composite functions and state the domain of each. (a) fog (b) gof (c) fof (d) gog needed.) O B. The domain of g of is all real numbers. (c) (f of)(x) = (Simplify your answer.) Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The domain of f of is {x | } (Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. The domain of f of is all real numbers. (d) (gog)(x) =] (Simplify your answer.) Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The domain of gog is {x | } (Type an inequality. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) O B. The domain of gog is all real numbers