Math help

a. Use the Product Rule to find the derivative of the given function. b. Find the derivative by expanding the product first. f(x) = (x- 5)(3x + 5) a. Use the product rule to find the derivative of the function. Select the correct answer below and fill in the answer box(es) to complete your choice. O A. The derivative is (x - 5)(3x + 5)( O B. The derivative is (x(3x + 5). c. The derivative is (x - 5)(3x + 5) +(). D. The derivative is (x - 5) ( ) + (3x +5) ()