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Zinaida [17]
3 years ago
7

Find the derivative of f(x) = 3/x at x = 1

Mathematics
1 answer:
aniked [119]3 years ago
6 0

Answer:

- 3

Step-by-step explanation:

Differentiate f(x) using the power rule

\frac{d}{dx}(ax^{n} ) = nax^{n-1}

Given f(x) = \frac{3}{x} = 3x^{-1}, then

f'(x) = - 3x^{-2} = - \frac{3}{x^2}

f'(1) = - \frac{3}{1} = - 3

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bearhunter [10]
Both cause u get some nice dinner then right after u get some nice desert. I just like food so I like anything
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2 years ago
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it takes 70 oz of grass seed to seed 2800ft of lawn. at this rate, how much would be needed for 3600 ft of lawn?
Rom4ik [11]
Find the multiplier to get from 2800ft to 3600ft. Multiply the weight of seed required for 2800ft by this multiplier for your answer.
3600/2800=9/7
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4 0
2 years ago
NEED HELP ASAP
miv72 [106K]

Answer:

x=55

Step-by-step explanation:

The angles are corresponding angles and corresponding angles are equal

3x-60 = x+50

Subtract x from each side

3x-60-x = x+50-x

2x-60 =50

Add 60 to each side

2x-60+60=50+60

2x=110

Divide by 2

2x/2 =100/2

x =55

8 0
3 years ago
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The owner of an office building is expanding the length and width of a parking lot by the same amount. The lot currently measure
Gnoma [55]

The best and most correct answer among the choices provided by your question is the second choice or letter B "20".

The current area is 120(80)=9600 and he want to expand it by 4400 so that the new area will be 9600+4400=14000 

14000=(120+x)(80+x) 

14000=9600+200x+x^2 

x^2+200x-4400=0 

x^2-20x+220x-4400=0 

x(x-20)+220(x-20)=0 

(x+220)(x-20)=0, since x is an increase it must be greater than zero so 

x=20ft 

(120+20)(80+20)=14000ft^2


I hope my answer has come to your help. Thank you for posting your question here in Brainly.

4 0
2 years ago
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Use the Distributive Property to simplify (–5 – c)( –1).
damaskus [11]
It’s the first option, 5 + c
4 0
8 months ago
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