In two or more complete sentences, explain how to use ordered pairs of points in f(x) = 3x - 5 and g(x) = (5 + x)/3 to determine if f(x) and g(x) are inverses of each other. there are no answer choices, i just need an explanation for this.

For any point (x, y), that appears in one function, the point (y, x) must appear in the other function.  

For any point (x, y), that DOESN'T appear in one function, the point (y, x) must NOT appear in the other function.  

So if you find any point that DOESN'T meet the above rules, you can prove that the functions are NOT inverses of each other.  

But if you want to prove that they ARE inverses of each other, you have to check ALL points in the functions, and there are infinity of them, so that's not practical. Instead, you can write f(x) like this:  

y = 3x - 5  

Now solve for x:  

y + 5 = 3x  

x = (y + 5) / 3  

Now swap x and y:  

y = (x + 5) / 3  

This is the same as g(x). Therefore the functions are inverses of each other.

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i need to answer questions so i dont know but i think its the first one because it goes up but a consent rate

if you need just tell me and i will come to the rescue.

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