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Relations and Functions
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Given two functions f(x) and g(x), (g o f) implies which of the following?
related to an answer for:
If a * b = b* a ∀ a, b, ∈ A, then the binary operation * on A is said to be what?
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asked
Mar 12, 2013
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balaji.thirumalai
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Aug 29, 2013
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Answer: Calculate f(x) first. Send the result to g(x)
(g º f)(x) means evaluate (fx) first, and then evlauate g (f(x).
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Jul 23, 2013
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balaji.thirumalai
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True or False? Let $f : X \rightarrow Y$ and $g : Y \rightarrow Z$ be two invertible functions. Then $g\;o\; f$ is also invertible with $(g \;o\; f)^{-1} = g^{-1} \; o f^{-1}$.
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