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Definition of Functions

Given fx = ...

Question

Given $f (x) = 4 x + 2$ . Find $f (2)$

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Solution

Given, $f (x) = 4 x + 2$
To find: $f (2)$
Put $x = 2$ in the given equation.
Therefore, $f (2) = 4 (2) + 2$
$= 8 + 2$
$= 10$

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