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1 year ago

In the following graph where is the function not increasing?

Mathematics

1 answer:

joja [24]1 year ago

5 0

According to the given graph, the function is not increasing from x = -1 to x = 1.

Remember that not increasing behavior is expressed as a horizontal line.

<h2>Hence, the interval is [-1, 1].</h2> $-1\leq x\leq1$

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Given a normal population which has a mean of 110 and a standard deviation of 5, find the probability that a random sample of 49

Mrac [35]

Answer:

0.9168

Step-by-step explanation:

From the data given:

Mean = 110

standard deviation = 5

Let consider a random sample n =49 which have a mean between 109 and 112.

The test statistics can be computed as:

$Z_1 = \dfrac{x- \bar x}{\dfrac{\sigma}{\sqrt{n}}}$

$Z_1 = \dfrac{109- 110}{\dfrac{5}{\sqrt{49}}}$

$Z_1= \dfrac{-1}{\dfrac{5}{7}}$

$Z_1$ = -1.4

$Z_2= \dfrac{x- \bar x}{\dfrac{\sigma}{\sqrt{n}}}$

$Z_2 = \dfrac{112- 110}{\dfrac{5}{\sqrt{49}}}$

$Z_2 = \dfrac{2}{\dfrac{5}{7}}$

$Z_2 =2.8$

Thus; P(109 < $\overline x$ < 112) = P( - 1.4 < Z < 2.8)

= P(Z < 2.8) - P( Z < -1.4)

= 0.9974 - 0.0806

= 0.9168

8 0

3 years ago

Simplify -14x^3/x^3-5x^4

Katyanochek1 [597]

Answer:

The answer is D

Step-by-step explanation:

7 0

3 years ago

The product of the reciprocal of a number and 3/8 is 5/8. Find the number as a decimal?

Anvisha [2.4K]

So

1/x * 3/8 = 5/8

1/x = 5/8 / 3/8

1/x = 5/3

x = 3/5

3/5 as a decimal is 0.6

6 0

4 years ago

Read 2 more answers

What two numbers multiply to get -9 but add to get 3

azamat

X+y=3 x*y=-9 This isn't possible because the only factor they share is 3 but 3+-3 =0 not 3

8 0

3 years ago

2. Which of the following is a common factor of *<br> 4x? - 12x² and 8x² - 4x?

Orlov [11]

Answer:

Im not sure but hiiiiiiiiii.

Step-by-step explanation:

4 0

3 years ago