Which of the following could be used to find the slope of the line tangent to the curve tan (x - 2y + 2) = x2 - 3y + tan (2) - 1? = 2x -3- dy (A) 1+(2-24+2)2 dx = 2x -3 1+ (x-2y+2)2 1-2 dy (C 1+ ( x -2y+ 2) 2 = 2x - 3- dx 1-2- dy 1+ ( 2 - 2y+ 2 ) = 2x - 3