math

let f(x)= 2x+8 and g(x)= x+4

(f+g)(x)

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asked by ashley
  1. Except for the very first one you posted, these are all pretty much the same.

    The very first one had f ( g(x) )
    You had to take a function of a function.

    The rest of these seem to be simple additions, subtractions, multiplications, or divisions.

    Here just add f(x) to g(x) to get (f+g)(x)

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    posted by Damon
  2. oo duh. lol thank you!

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    posted by ashley
  3. Perhaps this might help
    Say f(x) = x^2 and g(x)=x^3
    then
    f(x)g(x) = x^(2+3) = x^5
    BUT
    f(g(x)) = (x^3)^2 = x^6

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    posted by Damon

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