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F(x) =2x+1 g(x)= x^2 -7 find (f+g)(x)​

1 Answer

6 votes

Answer:


f(x) = 2x + 1 \\ g(x) = {x}^(2) - 7 \\ (f + g)(x) = f(x) + g(x) \\ (f + g)(x) = (2x + 1) + ( {x}^(2) - 7) \\ (f + g)(x) = 2x + 1 + {x}^(2) - 7 \\ \boxed{ (f + g)(x) = {x}^(2) + 2x - 6}

  • (f+g)(x) = x²+2x-6 is the right answer.
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