(1 point) Answer the following questions for the function x3 x29 f(x) = defined on the interval [19, 17]. a.) Enter the xcoordinates of the vertical asymptotes of f (x) as a commaseparated list. That is, if there is just one value, give it; if there are more than one, enter them separated commas; and if there are none, enter NONE . Answer: b.)f(x) is concave up on the region Note: Give your answer in intervalgtatio. c.) Enter the x-ooordinates of the inflection point(s) for this function as a comma- separated list