If f(x)=ax-b and f^-1(x+1)=x/2+2 for each value of R then what must be the values of a anf b?​

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743

the function makes a strait line horizontally with no x intercept but a y intercept at 9.