1 6 Consider the equation + -=2. The graph of this curve looks like this: (x-1) + y (x+1) +y2 y-axis (a) Find the positive y-intercept: 4159 52 52 x-axis (b) Find the negative y-intercept: (c) Use implicit differentiation to find the equation of the tangent line at the intercept in (a): y= x + (d) Use implicit differentiation to find the equation of the tangent line at the intercept in (b): y= x +