please solve

Select the functions f(x) = - and g(x) = x - 1 Select the Operation f/g and Combine Functions box, and slowly slide the x-slider to the right to graph the function (f/ g)(x). For what values of x is (f/ g)(x) undefined? Use the interactive figure to find your answer. Use the left and right arrow keys to move along a slider as needed. Click here to launch the interactive figure. x= (Use a comma to separate answers as needed.)