Graph several level curves of the following function using the given window. Label at least fero level curves with their $2-$values.

$z=x{y}^{2}6$;$[-4,4][-4,4]$

Choose the correct graph.

A$.$

$$ B$.$

C$.$

$$ D$.$

$$

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$c3$

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The $z-$value for the dashed curve is $2.$

The $x-$value for the dotted curve is $6.$

$$