please help me to answer this problems, thank you

Exercises : 1 Directions: Determine whether the given is rational Function, rational equation, rational inequality or none of these. write your solutions in your activity notebook or answer sheet 1 .) 9x - 1 _ 2 Exercise : 2 X +2 Directions : Determine whether the given Is 2x + 1 -> X +2 rational Function, rational equation, rational inequality or none of these . Write your solutions your activity notebook or anywer . X - B 2 ) X - 2x 3 + 4x2 - 5 x-1 4 . 7 x