$\bf \stackrel{f(x)}{y}=\cfrac{8}{x}\implies y=8x^{-1}\implies \cfrac{dy}{dx}=8(-1)x^{-2}\implies \cfrac{dy}{dx}=-8x^{-2}
\\\\\\
\left. \cfrac{dy}{dx}=-\cfrac{8}{x^2}\right|_{x=-1}\implies \cfrac{-8}{(-1)^2}\implies -8$

4 0

4 years ago

Sophia is designing the seating arrangement for a concert and

pentagon [3]

Answer:

the answer for the first part is 260

the equation is n+8

Step-by-step explanation:

all you need to do is take the starting number witch is 13 then you add 8 and then take that number and add 8 so thats why the equation is n+8 n equaling the starting number and 8 equaling to the reoccurring number.

7 0

2 years ago

The cpi is currently 153. if a coffee maker costs $31.90 today, how much did one cost in 1983, to the nearest cent? a. $20.85 b.

kap26 [50]

<h3>The cpi is currently 153. if a coffee maker costs $31.90 today, how much did one cost in 1983, to the nearest cent? a. $20.85 b. $21.20 c. $26.60 d. $48.81</h3>

its C

5 0

3 years ago

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