U can see the answer in the picture below
Hope this helps. :D
(Please mark as brainliest thanks)
(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
Answer:
Kristen is correct.
2^3 is the same thing as 2 times 2, times 2. 2 cubed = 8.
option a as 3 is outside of bracket it will be multiplied by what is in bracket sot the answer will equivalent to question