Given $f (x) = 3 x + 2$ $f(x) = 3x + 2$ how do you find f(5)?

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Answer 1 · 2016-04-08T14:14:50

When a numbed replaces the x in $f (x)$ $f(x)$ , you must plug that number in for x in the function.

$f (5) = 3 (5) + 2$ $f(5) = 3(5) + 2$

$f (5) = 17$ $f(5) = 17$

Hopefully this helps.

Given f(x)=3x+2f(x) = 3x + 2 how do you find f(5)?