need some help

+ enuity.com/Player/ OX Unit Test Unit Test Active 1 2 3 1 5 6 7 9 10 TIME RE 01:3 This question is designed to be answered without a calculator. If [ f(x) ax = 4 and [ o(x) ax = - 3, then [ 12/(x)-9(x)1 ax = O 2 0 5 . O 11. O 14