Homework 3 7 ) If f (x ) - 6 - 2 2 6+ ga find : f ' ( x ) = Lim W X -79 X - 9 6 ) use the Chain rule to find the derivitive at 8 5 5 2 4 + 4 + 42 3 Awnser without fractional or neg vive exponents use sq, rt (x( ) for V x