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The function is $\"\"$ .

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The members of this family can be obtained by substituting different values for $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Equation of a line $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Equation of a line $\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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Equation of a line $\"\"$ .

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Substitute $\"\"$ in $\"\"$

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$\"\"$

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Equation of a line $\"\"$ .

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Graph :

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Graph the members of the family are $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$

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$\"\"$

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All members of this family are linear functions, which represents straight lines.

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All these straight lines passing through the point $\"\"$ .

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All these straight lines passing through the point $\"\"$ .

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Graph of the members of the family :

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$\"\"$ .