Respuesta :

catrionac
(f+g)(-3)
-3f-3g
-3f=9 and -3g=3
9+3
12

wizard123
For this you just need to learn proper function notation.
[tex](f+g)(x) = f(x) + g(x) \\ \\ (f-g)(x) = f(x) - g(x) \\ \\ (f*g)(x) = f(x) * g(x) \\ \\ (\frac{f}{g})(x) = \frac{f(x)}{g(x)} [/tex]

Hope this helps.

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