x (e-27y - 1) -3 (y-9x?) 17x* + 8y + 8(y-9x)? Let f(x.y) = Find lim f(x.y). (,) -> (0,0) (a) Along the parabola y = 9x (b) Along the x-axis (c) Along the straight line x= ky, kER What can be said about f(x.y)? () - (0,0) lim (a) The limit along the parabola y = 9x is equal to (Type an integer or a simplified fraction.) (b) The limit along the x-axis is equal to (Type an integer or a simplified fraction.) (c) The limit along the straight line x= ky, kER is equal to (Type an integer or a simplified fraction.)