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Use the following information to answer the next two questions Rational functions f and g are defined as f(x) =an x+1 and g(x)= 2x-1 -2x+1 . 11. ((x) can be written in the form A. (x-1)(2x-1) (x-1) (2x+1) (x+1) (2x+1) B. (x+1)(2x-1) C. (x+1)(2x-1) D. (x+1)(2x+1) (x-1) (2x+1) (x-1)(2x-1) 12. The Domain of the function ()(x) is A. x # -1, 3,XER B. x * -1, -1, 1 2' 7 ' X ER x * -1, -;, 1, xER D. x * -1, -2, 2, 1, xER 13. Given that f (x) = (x + 3)2, x E R, then the inverse of f (x) is completely defined by A. Vx - 3 B. Vx + 3 C. -Vx + 3 D. IVx - 3 14. The integral polynomial with zeros -5, 1, and - in Factored form is A. (x + 5) (x + 1) (2x + 3) B. (x - 5) (x+ 1)(2x+ 3) C. (x+ 5) (x - 1)(2x - 3) D. (x - 5) (x - 1) (2x - 3) 15. The solution to question 14. , written in expanded form is A. 2x3+ 5x2 - 22x + 15 B. 2x3 - 5x2 - 22x - 15 C. 2x3 + 15x2 + 28x + 15 D. 2x3 - 15x2 + 28x - 15