(1 point) Calculate all four second-order partial derivatives of f(x, y) = (3x + 5y) ey. fxx (x, y) = 0 fry (x,y) = 0 fyz (x,y) = 0 fyy (x, y) = 0 Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 1 time. Your overall recorded score is 25%. You have unlimited attempts remaining.