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Hal Homenick

Lvl 10
โˆ™ 3y ago
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โˆ™ 14y ago

derivative of (x + 9)/(x+4) = [1*(x+4) - (x+9)*1]/(x+4)2

= (x+4-x-9)/(x+4)2 = -5/(x+4)2 when x not -4

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Q: What is the derivative of x plus 9 divided x plus 4?
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