Suppose the derivative of f exists, and assume that f (3) - 4, and f' (3) - 2. Let g(x) - x2 f(x), and h(x) - J() I-4 a) g' (3) = Find the equation of the tangent line to g(x ) at x = 3. y b) h' (3) = Find the equation of the tangent line to h (x ) at x = 3. y