Evaluate f(2)+f(5)

$f (2) + f (5)$

Step 1

Simplify each term.

Move $2$ to the left of $f$ .

$2 f + f (5)$

Move $5$ to the left of $f$ .

$2 f + 5 f$

$2 f + 5 f$

Step 2

Add $2 f$ and $5 f$ .

$7 f$

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