SOLUTION: I don't understand the 4-steps to find.. If f(x)= 1/x and g(x)=1/x+2, then: Answer is: (fog)(x)= x+2, Domain=(-infinity,-2)U(-2,infinity)

Algebra ->  Functions -> SOLUTION: I don't understand the 4-steps to find.. If f(x)= 1/x and g(x)=1/x+2, then: Answer is: (fog)(x)= x+2, Domain=(-infinity,-2)U(-2,infinity)       Log On


   

Question 672007: I don't understand the 4-steps to find..
If f(x)= 1/x and g(x)=1/x+2, then:



Answer is: (fog)(x)= x+2, Domain=(-infinity,-2)U(-2,infinity)
Answer by ReadingBoosters(3246) About Me  (Show Source):
You can put this solution on YOUR website!
fog(x) = 1%2F%281%2F%28x%2B2%29%29
= (1)(x+2)
= x+2
...
fog(x) = x+2
...
0=x+2
-2=x
(-infinity, -2) U (-2, infinity)
.....................
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-Reading Boosters
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