Answer:
Step-by-step explanation:
x +18=72
x=72-18
x=54
7.5
fog functions are basically saying f(g(x)).
So (f o g)(x) = f(g(x)).
This is also true for gof functions.
(g o f)(x) = g(f(x)).
All we do for these problems is plug in g(x) into the x value in the f(x) equation.
120°
Hope it helped you
it is D
just reflect by y=-1 its easy
