1. Section 5.1
Composite Functions

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4. Practice # 11 f(x) = 2x; g(x) = 3x2 + 1 f(g(4)) g(f(2)) c) f(f(1))
d) g(g(0))
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5. The domain of g is all real numbers as is the domain of the composite function, so the domain of f ◦ g is the set of all real numbers.
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7. Practice # 31 Find the composite function and state the domain.
f(x) = 3x + 1; g(x) = x2
f(g(x))
b) g(f(x)
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