Question: f ( x ) = x 2 + 9 x , g ( x ) = 8 x 2 1 Find ( f + g

f(x) = x2 + 9x, g(x) = 8x2 1

Find

(f + g)(x). Find

(f g)(x). Find

(fg)(x). Find the domain of

f
g

(x).

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