Pahelp please , explain and and show solution please.

Identify whether the following expressions are rational functions, rational equations or rational inequality. 4x+ 2 / 2x 6 = 6x - 9 / 8x + 1 O rational function 0 rational equation 0 rational inequality Identify whether the following expressions are rational functions, rational equations or rational inequality. 4x/x +2 =~ 0 O rational function 0 rational equation 0 rational inequality Determine the domain of the following rational functions. f(x) = x/(x^2-3x-18) O all real numbers except 6 and - 3 O all real numbers except -6 and 3 O all real numbers except 18 and 6 O all real numbers except 6 and 3 Solve for the solution set of the following inequalities using case method. (2x+4)/(x+1)20 O (-00, -2]U(1,+00) O (-00, 2]U(1, +00) O (-00, -2]U(-1, +00)Determine the domain of the following rational functions. f(x) = (x-1)fx all real numbers except 1 all real numbers except -1 all real numbers except 0 all real numbers except 2 0000 Solve for the solution set of the following inequalities using case method. -3 a (3(x+1))/(x+2) Solve for the solution set of the following inequalities using case method. X/(x+1)+1s-5 O (-1,-6/7) O (-1,-6/7] O (-1.6/7] Identify whether the following expressions are rational functions, rational equations or rational inequality. f(x) = 4x - 2 / 3): +1 O rational function 0 rational equation 0 rational inequality Solve for the solution set of the following inequalities using case method. (x^2-x-12)/(3x+1)20 O [-3, -1/3)U(4,+00) O (-3, -1/3)U[4,+00) O [-3,-1/3)U[4,+00) Determine the domain of the following rational functions. f(x) = (2x+1)/(x-3) O all real numbers except 1 O all real numbers except 3 all real numbers except -1 O all real numbers except -3Identify whether the following * expressions are rational functions, rational equations or rational inequality. 1/): = 7x-9/2x + 4 O rational function 0 rational equation 0 rational inequality Solve for the solution set of the following inequalities using case method. (x+3)/(2x -1) {0 O (3.112) O (3,1!2) O (3. 2) Determine the domain of the following rational functions. f(x) = (2x-7)/(3x+5) 0 all real numbers except 0 0 all real numbers except 1 0 all real numbers except 5/3 0 all real numbers except (5 / 3) Determine the domain of the following rational functions. f(x) = (4(x-1))/(x+'|) 0 all real numbers except 2 0 all real numbers except -4 0 all real numbers except -1 0 all real numbers except 0 Identify whether the following expressions are rational functions, rational equations or rational inequality. y = 2 (x-3) / x O rational function O rational equation O rational inequality