The function $f(x)=\sqrt{2 x - x^2}$ is given graphed below:

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(A) Starting with the formula for $f(x)$, find a formula for $g(x)$, which is graphed below:

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$g(x)$ =

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(B) Starting with the formula for $f(x)$, find a formula for $h(x)$, which is graphed below:

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$h(x)$ =