Answer:
Step-by-step explanation:
There is not angle z in your figure
X=7, Y=5
In the attached file
g(f(x)) = 2x - 6
f(g(x)) = 2x - 4
g(f(x)) = 2x - 8 + 2
f(g(x)) = 2(x + 2) - 8
Answer:d
it is under mapping and function
f of x is equal to -2 root x-7 plus one
