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17 May, 04:10

F (x) = x + 3; g (x) = 1/x What is the domain and range of (f • g)

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  1. 17 May, 04:28
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    The domain of g alone is x ≠ 0, and the domain of f is all reals. So the domain of (f ◦ g) is the domain of g x. (f ◦ g) (x) = 1/x + 3. The range of g (x) = 1/x is actually the same as its domain y. Adding three, the range of f ◦ g is all reals except for 3, y The line y = 3 is actually an asymptote (horizontal) to the graph of f ◦ g.
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