$\"\"$

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Justify " two functions of the form $\"\"$ sometimes, always, or never have at least one ordered pair in common ".

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Let take the $\"\"$ values as $\"\"$ and $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in the function $\"\"$ .

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$\"\"$ and $\"\"$ .

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Find the value of the function $\"\"$ at $\"\"$ .

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$\"\"$

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$\"\"$ .

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Order pair of the function is $\"\"$ .

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Find the value of the function $\"\"$ at $\"\"$ .

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$\"\"$

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$\"\"$ .

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Order pair of the function is $\"\"$ .

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Always at least one ordered pair is common for every value of b at $\"\"$ .

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$\"\"$

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Always at least one ordered pair is common.