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Makovka662 [10]
3 years ago
9

If f(x) =-x^2 +6 x-1 and g(x) =3x^2-4x-1 find ( f+g) (x)

Mathematics
2 answers:
ivolga24 [154]3 years ago
6 0

(f+g)(x)=-x^2+6x-1+3x^2-4x-1=2x^2+2x-2

Lesechka [4]3 years ago
4 0

Answer: (f+g)(x)=2x^2+2x-2

Step-by-step explanation:

Given the function f(x), which is:

f(x)=-x^2 +6x-1

And the function g(x), which is:

g(x) =3x^2-4x-1

You can observe that (f+g)(x) indicates that you need to add the functions, then you know that:

(f+g) (x)=(-x^2+6 x-1)+(3x^2-4x-1)

Finally, to simplify it you must addthe like terms. Therefore, you get that  (f+g)(x) is:

(f+g)(x)=-x^2+6 x-1+3x^2-4x-1

(f+g)(x)=2x^2+2x-2

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