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Line 1: − Thus X<sup>2</sup> + 3 evaluates to 19 when X=4.+
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To '''evaluate''' a [[function]] is to put in a specific [[value]] in place of the [[variable]] and to simplify the expression.
To '''evaluate''' a [[function]] is to put in a specific [[value]] in place of the [[variable]] and to simplify the expression.
For example, X<sup>2</sup> + 3 evaluates to 19 when X=4.
[[Category:Mathematics]]
[[Category:Mathematics]]