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Given $f (x) = x - 4$ $f(x)=x-4$ , how do you find f(8)?

1 Answer

Feb 28, 2016

Well, if f(x) = f(8), then x is just 8.

So, we just plug in 8 for x

$f (8) = 8 - 4 = 4$ $f(8) = 8-4 = 4$

We are done.

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