Use f(x)=x+7 and g(x)=x+3 to find the following

(f+g)(x)= (f-g)(x)= (fg)(x)= (f/g)(x)=

Answers
since f and g are associative (f+g)(x)=f(x)+g(x) (f-g)(x)=f(x)-g(x) work from right t left so start with doing g(x) then (fg)(x)=f(g(x))=f(x+3)=(x+3)+7
hendersonj
12 February 2012
and for (f/g)(x) = f(x)/g(x)
hendersonj
12 February 2012
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