What is theme in a literary work?

The over all message, or the lesson learned.

Explanation:

Theme is a message or central topic.

Explanation:

If I wrote a paper on birds, the theme would be birds.

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.

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