Identify the following expression. A) rational function, B) rational equation, C) rational inequality, or D ) none of these. Write the letter of your answers on the answer sheet provided (pad paper). 1. 18-3x-1= x - 2x 1 11. 2x 2. f(x)=x-5+12 12. - 7 2>10 3 4. y =x-12 5. 6. 5x=x* +6 x-100 1 7. -4x-x x 8. g(x)= x-2=18 x-2 13. 14. x+3 + x2-4'5x+10 (2x-3)(2x-5)= 0 15. f(x)=27x +5x 16.y = 0 17. x+y=-4 18. x-16 0