Find any points of discontinuity for the rational function y= x-8/xsq +6x-7 x = 1, x = 7 x = 8 x = 1, x = Solution y = x - 8 / x^2 + 6x - 7 y = (x - 8) / (x - 1)(x + 7) The function will be discontinuous at x = 1 and x = - 7 as anything over 0 does not exist. .