$\"\"$

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The equation is $\"\"$ .

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Standard form of linear function is $\"\"$ .

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Solve the equation.

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$\"\"$ (Original equation)

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$\"\"$ (Add $\"\"$ to each side)

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Divide each side by $\"\"$ )

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$\"\"$ (Cancel common terms)

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$\"\"$ (Rewrite the equation)

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$\"\"$ (Simplify)

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The function is a linear function.

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Where, $\"\"$ and $\"\"$ . $\"\"$

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Yes; The function can be written as $\"\"$ .