$\bf r(x)=\cfrac{3x-2}{2x+5}\implies \cfrac{dr}{dx}=\stackrel{quotient~rule}{\cfrac{3(2x+5)~~-~~(3x-2)2}{(2x+5)^2}}
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\cfrac{dr}{dx}=\cfrac{\underline{6x}+15\underline{-6x}+4}{(2x+5)^2}\implies \cfrac{dr}{dx}=\cfrac{19}{(2x+5)^2}$

7 0

3 years ago

Evaluate a + b2 for a = 2 and b = 3.

navik [9.2K]

Answer:///////

2 + 6

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3 years ago

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Which relationship describes angles 1 and 2?

pav-90 [236]

Angles 1 and 2 are supplementary angels because they form a line.
Angles 1 and 2 are adjacent angles because they share an interior ray and they have a common vertex.

7 0

3 years ago

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