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Evaluate the indicated function for f(x)=x2+1 and g(x)=x-4

Note: x2+1 means x squared plus one.

(2f)(5)

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If (2f)(5) is supposed to mean 2 f(5), then the answer is 2 * (25 +1) = 52.

Why did you bother to define g(x) if it isn't used in the question?

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