Consider the implicit function and its graph. ycos (y+x+x) = x 5.5- 5- 4.5- 4- 3.5- 3- 2.5- 2- P 1.5 0.5- -1.5 -1 0.5 55 0.5 1.5 2 2.5 -0.5- dy The derivative is found implicitly. dx y' cos (y+x+x) y sin (y+x+x) (y+1+2x) = 3x (0,2). Evaluate the derivative dy dx at the point P= (0, dy = dx P