Question

If Z is a function of Y, and Y is a function of X then Z is a function of X. Which among the following options is the concept that supports the given statement?

a.

Composition

b.

Recursion

c.

Primitive recursion

d.

Aggregation

Answer: (a).Composition Explanation:Composition is the point wise application of one function to the result of another to produce a third function. A set is closed under composition of functions.

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Q. If Z is a function of Y, and Y is a function of X then Z is a function of X. Which among the following options is the concept that supports the given statement?

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