Question 1125071
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Find the function f+g, f-g, fg and f/g
f(x)= sqrt(x-1); g(x)=x^3+1
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f+g means  f(x)+g(x).


f-g means f(x)-g(x).


fg means f(x)g(x).


f/g means  f(x)/g(x).


Substitute your given functions and simplify.