Consider the implicit function and its graph. ycos ( y + x + x) =x3 1- 0.5-1 73 -2.5 -2 -1.5 -1 0.5 2 2/5 The derivative - is found implicitly. y' cos ( y + x + x ) - ysin (y + x + x) (y' + 1 +2x) =3x2 Evaluate the derivative _ at the point P - (0, 5 ) dx p