(f-g)(x) (X²-4)-(x+2)

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(f-g)(x)
(X²-4)-(x+2)

Jawab:

=0

Penjelasan dengan langkah-langkah:

A. (f+g)(x) = f(x)+g(x)

= (x+2)+(x²-4)

= x+2+x²-4

= x²+x+2-4

= x²+x-2

(f+g)(-1) = (-1)²+