Respuesta :

leena

Hey there! :)

Answer:

C. (f + g)(x) = 3x² + 3x/2 - 9

Step-by-step explanation:

(f + g)(x) requires you to add functions f(x) and g(x) together. Therefore:

(f + g)(x) = x/2 - 3 + 3x² + x - 6

Combine like terms:

(f + g)(x) = 3x² + x + x/2 - 3 - 6

Simplify:

(f + g)(x) = 3x² + 3x/2 - 9

Therefore, the correct answer is C.

mberisso

Answer:

[tex](f+g)(x)=3x^2+\frac{3}{2} x-9[/tex]

agreeing with answer C in your list.

Step-by-step explanation:

If [tex]f(x)=\frac{x}{2} -3[/tex] and [tex]g(x)=3x^2+x-6[/tex] then the addition of the functions would be:

[tex](f+g)(x)=g(x)=\frac{x}{2} -3+3x^2+x-6=3x^2+\frac{3}{2} x-9[/tex]

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