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

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

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Answer 1 · 2015-09-29T10:06:48

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

Explanation:

Simply substitute $- x$ $-x$ into $x$ $x$ , then subtract 2 from $f (- x)$ $f(-x)$ .

$f (x) = x^{2} - 2$ $f(x)=x^2−2$
$f (- x) - 2 = {(- x)}^{2} - 2$ $f(-x)-2=(-x)^2−2$
$f (- x) - 2 + 2 = {(- x)}^{2} - 2 + 2$ $f(-x)-2+2=(-x)^2−2+2$
$f (- x) = {(- x)}^{2}$ $f(-x)=(-x)^2$
$f (- x) = x^{2}$ $color(red)(f(-x)=x^2)$

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

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Explanation:

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If f(x)=x2−2f(x) = x^2- 2, how do you find expressions for f (-x)-2?

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Explanation:

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