The rang of an inverse function is the domain of the normal function
So you just gotta find the domain of that which is x is greater than or equal to 0
The ratio is 4/3 because you add AC which is 12 and then divided 9 (BC) by 12
Answer:
By thinking logically,here's hint: there are only 4 equal sections and 4 colors,all of them equal to=

no matter what color you take,for example green is 1/4,red is 1/4 as well.Eventually the answer is:the probability of orange color is 1/4 too.
I have NO idea. Try searching on the enternet