Find the derivative of the function by using the product rule Then multiply out the function and find the derivative by treating the function as a polynomial Compare the results y 5x 4 2 x ax ax d d 2 x 5x 4 5x 4 dx 2 x dx 5x 4 2 d d 2 x 2 x 5x 4 dx dx D 5x 4 2 The derivative using the product rule is y 14 10x Multiplying the function out results in the polynomial 5x 14x 8 Simplify your answer Do not factor The derivative of the polynomial is y 10x 14 Compare the results Choose the correct answer below OA The derivatives found by both methods are the same OB The derivatives found by both methods are negative inverses