B beacuse it’s 173 thanks very much
Answer:
4
Step-by-step explanation:
3/4(x+8)=9
3/4x+6=9
3/4x=3
x=4
P.S. PLEASE give me Brainliest!

Finding the extreme point :

Now,
f''( x ) at x = 1/3 and -1 is :

Therefore, it is maximum at x = -1 and minimum at x = 1/3 .
Hence, this is the required solution.
X5, x6, x7, x12.7. It seemed to have been going into a pattern but then stops at the 2680. The pattern would be x5, x6, x7, x8 if the number was 1,680...?