SOLUTION: f(x)=1/((x-4)(√(x+2))) g(x)=√(20-x) find domain of fog

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Question 341272: f(x)=1/((x-4)(√(x+2)))
g(x)=√(20-x)
find domain of fog
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=1%2F%28%28x-4%29%28sqrt%28x%2B2%29%29%29
g%28x%29=sqrt%2820-x%29
f(g(x))=1/((sqrt(20-x)-4)(sqrt(sqrt(20-x)+2)))
.
Ed