Question

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

Answer 1

`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.