1-X 2x 1 - X Itx y = ultx2 , v 4 = (2+ x+2) = y 3 = ( 1 - x ) 3 . VITX S = x 1 ( 8 3 , ) ( 1 - 7 )5 = y , y = ( x - 7 - 7 2 ) 2 01 - X 2 Ask yourself which rule I what Substitution to make.V 2 Product Rule ( U. V ) = 0'V+ V'S Finding Tangent Lives uses.. (at (xi, y. ) ) us - , = m ( x- X, )