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

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Answer 1 · 2016-06-17T13:43:17

$f (- x) = x^{2} - 2$ $f(-x)=x^2-2$

well like this
$f (x) = x^{2} - 2$ $f(x) = x^2- 2$
$f (- x) = {(- x)}^{2} - 2 = x^{2} - 2$ $f(-x)=(-x)^2-2=x^2-2$

If f(x) = x^2- 2, how do you find f(−x)f(-x) ?