Question

Which of the following rational functions is graphed below?

A. F(X) = x+1/x(x-1)
B. F(X) = x-1/x(x+1)
O C. F(x) =x/ (x-1)(x+1)
D. F(x) = (x+1)(x-1)/x

Answer 1

C because there is a vertical asymptote of -1 and 1 (the graph doesn’t touch at these 2 spots all the way up). You find the vertical asymptote by looking at the denominator. (X+1)= -1 and (X-1) =1.