The equation is $\"\"$

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Apply formula : $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Subtract $\"\"$ from each side

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$\"\"$

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Apply derivetive

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Above equation passes through the point (3, -1)

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Slope $\"\"$ and point (3, -1), than the line equation is $\"\"$

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$\"\"$

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$\"\"$

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Subtract 1 from each side

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$\"\"$

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Apply distributive property : $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Above equation is similar to y = mx+b

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Therefore slope $\"\"$ and constant (b) = $\"\"$