(f-g)(x) = x²+6x - (7-x)
(f-g)(x) = x² + 6x - 7 + x
(f-g)(x) = x² + 7x - 7
(f-g)(9) = 9² + 7*9 - 7
(f-g)(9) = 81 + 63 - 7
(f-g)(9) = 137
The two integers are D. -4 and 6
Newton is 762 Km east of Mayfield.
I send you a file wich the answer.
The answer to your question is about 9 times so ya that your answer about 27 times