if f(x)=3x+1 and g(x)=x+2 then find (f + g)(x)

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Posted on

`f(x)=3x+1`

`g(x) = x+2`

`(f+g)(x)= f(x)+g(x)=(3x+1)+(x+2)=4x+3`` `That's how you find the sum of two functions of x. 

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