9. Given the function below, which statement is TRUE? (4 Points) 2x3 + x2 - 8x - 4 f (x ) = x2 + x - 2 a. There is an infinite discontinuity at x=-2. b. There is an infinite discontinuity at x=-1. c. There is removeable discontinuity at x=1. d. There is removable discontinuity at x=2. There is removable discontinuity at x=-2. f. There is infinite discontinuity at x=2