Exercise Determine whether the given is a rational expression, rational function, a rational equation, a rational inequality, or none of these. 3. 2. 4. 1. 5. 6. 7. 8. 9. 10. x³ + 2x + 4 1 5x √2x+1 y=x+4 x³ 2 X F -X+1 5 6x² + =X + X+1 x² -|× 6x-1 x1/2 M = 4 1 3 X 5 = X+5 3 ~|× ~/~ +- H|X ≤0 >0 +3=0 11. √x+5 = 10 12. x-1 7x -+x≥10 13. f(x)=5 0=1/5 14. g(x)= X-1 X+1 + 18. 15. 2x²-x+ 5 =9x 2x-17 16. h(x)=√√5-x 17. x²+2x¹/3-4>0 x + 15 X-3 = Y 19. x²-y²=1 20./+1=1 9 25