We know that:

Then:

Therefore:

Simplifying the above result we get:

Answer:
Answer:
D. 
Step-by-step explanation:
Area of rectangle = 
Length of rectangle = (x - 8)
Width = (x + 11)
Area of rectangle = 
Expand the expression
(distributive property of multiplication)

Combine like terms

Expression for the area of the rectangle = 
0 has none and 9 has 9 place value i think lol
F(x)=(x-8)/7
<span>g(x) = 7x + 8
</span>g(f(x))-------------- > 7*((x-8)/7)+8----------- >x-8+8=x
the answer is x