Find the equation of a tangent line to the inverse of at the given point.
(a) f(x)=e⁽⁻²ˣ⁾-9x³+4 at (5,0)
(b) f(x)=(-e⁽⁻³ˣ⁾)/(x²+1) at (-1,0)
(c) f(x)=7x+sin(2x) at (0,0)
(d) f(x)=10x+(tan⁻¹)