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If $f (x) = x^{2} - 2$ $f(x) = x^2- 2$ , how do you find expressions for f(x-2)?

1 Answer

Tony B · Alan P.

Oct 15, 2015

Where ever in the original equation you find $x$ $x$ you would write $(x - 2)$ $(x-2)$

Explanation:

$f (x) = x^{2} - 2 \to f (x - 2) = {(x - 2)}^{2} - 2$ $f(x) = x^2 - 2 -> f(x-2)=(x-2)^2 -2$
$XXXXXXXXXXXXXXXX = x^{2} - 4 x$ $color(white)("XXXXXXXXXXXXXXXX")=x^2-4x$

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