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f(x) = x^2 - 4x - 1 and g(x) = 3x...Find (f+g)(x)?

combination of functions
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1 Answer

f(x) = x^2 - 4x - 1 and g(x) = 3x
 
(f+g)(x) = Just add the functions together:
x2 - 4x - 1 + 3x
= x2 - x -1