Find the derivative of: - 3e -9 sin ( -2x4 ) Use e^x for e".\fIf A is a constant, use the chain rule to find the derivative of f(a) = VAa + 1 Type your answer without fractional or negative exponents. Use sqrt(x) for va. f' (2 ) =If B is a constant, use the chain rule to find the derivative of at) = sin(Bm9 + 6)