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3 years ago

For which interval is the average rate of change of f(x) negative?

Mathematics

2 answers:

Arisa [49]3 years ago

8 0

Answer:

C on edge

Step-by-step explanation:

Nina [5.8K]3 years ago

5 0

The Average Rate of Change function describes the average rate at which one quanity is changing with respect to something else changing.
 For this case, the first thing you should do is observe the intervals for which the function decreases.
Remember that the definition of average rate of change is given by:
 $AVR = (f (x2) - f (x1)) / (x2-x1)
$
 For AVR to be negative, it must necessarily pass:
 $x2\ \textgreater \ x1

f (x1) \ \textgreater \ f (x2)$ 
The interval that meets both conditions is:
x = 0 to x = 2.5
Answer:
x = 0 to x = 2.5
option 3

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The mean annual income for adult women in one city is $28,520 and the standard deviation of the incomes is $5600. The distributi

pshichka [43]

Answer:

$E(\bar{x}) = 28520$

Standard error of mean = 689

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $28,520

Standard Deviation, σ = $5600

Mean of sampling distribution =

$E(\bar{x}) = \mu = 28520$

As per Central Limit Theorem, if the sample size is large enough, then the sampling distribution of the sample means follow approximately a normal distribution.

Sample size, n = 66

Since the sample size is large, we can use normal distribution for approximation.

Standard error of mean =

$\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{5600}{\sqrt{66}} = 689.31 \approx 689$

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3 years ago

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Allisa [31]

It should be 715, i don’t understand why that isn’t one of the choices.
you’re supposed to multiply everything

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2 years ago

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Genrish500 [490]

Answer:

The answer is 12.

Step-by-step explanation:

You would multiply each of them by 12 to get rid of all of the fractions.

This is because 12 is the least common multiple of the denominators. You can find that by lining up their multiples and looking for the one that is the smallest that they have in common.

3: 3, 6, 9. 12. 15

4: 4. 8. 12. 16, 20

6: 6. 12. 18. 24. 30

5 0

3 years ago

The volume of a rectangular prism is (x4 + 4x^3 + 3x^2 + 8x + 4), and the area of its base is (x3 + 3x^2 + 8). If the volume of

kap26 [50]

$V=x^4+4x^3+3x^2+8x+4\\\\B=x^3+3x^2+8\\\\V=BH\to H=\dfrac{V}{B}\\\\\text{Substitute:}\\\\H=\dfrac{x^4+4x^3+3x^2+8x+4}{x^3+3x^2+8}$

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3 years ago

Read 2 more answers

How do i solve this?

bixtya [17]

Answer:

5.x^8.y^3

Step-by-step explanation:

15.x^10.y^5.z^2 ÷ 3.x^2.y^2.z^2

= 15/3. x^(10-2). y^(5-2). z^(2-2)

= 5.x^8.y^3.z^0

= 5.x^8.y^3

7 0

3 years ago