2x 2 17 Finding a symmetric interval Let f x and note x 1 that lim f x 4 For each value of e use a graphing utility to find all values of 8 0 such that f x 4 whenever 0 x 1 d a 2 b 8 1 IC c For any 0 make a conjecture about the value of 8 that sat isfies the preceding inequality