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3 years ago

Which statement describes the end behavior of the function f\left(x\right)=\frac{1}{7}\left(x-4\right)+^3?

Mathematics

1 answer:

shusha [124]3 years ago

4 0

Answer is

B.) As x approaches negative infinity, f(x) approaches positive infinity.

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Use the standard norml distribution or the t-distribution to construct a 99% confidence interval for the population mean. Justif

dalvyx [7]

Answer:

E) we will use t- distribution because is un-known,n<30

the confidence interval is (0.0338,0.0392)

Step-by-step explanation:

Step:-1

Given sample size is n = 23<30 mortgage institutions

The mean interest rate 'x' = 0.0365

The standard deviation 'S' = 0.0046

the degree of freedom = n-1 = 23-1=22

99% of confidence intervals $t_{0.01} =2.82$ (from tabulated value).

$The mean value = 0.0365$

$x±t_{0.01} \frac{S}{\sqrt{n-1} }$

$0.0365±2.82 \frac{0.0046}{\sqrt{23-1} }$

$0.0365±2.82 \frac{0.0046}{\sqrt{22} }$

$0.0365±2.82 \frac{0.0046}{4.690 }$

using calculator

$0.0365±0.00276$

Confidence interval is

$(0.0365-0.00276,0.0365+0.00276)$

$(0.0338,0.0392)$

the mean value is lies between in this confidence interval

(0.0338,0.0392).

Answer:-

using t- distribution because is unknown,n<30,and the interest rates are not normally distributed.

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3 years ago

Hello someone please help me

Naya [18.7K]

Answer:

(2, -8)

Step-by-step explanation:

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Amiraneli [1.4K]

Y=-9/2x-13 is the line

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4 years ago

How many unique ways are there to arrange the letters in the word reindeer

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There are 24 unique ways are there to arrange the letters in the word reindeer.

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Find the limit as x approaches infinity of y=arccos(1+x21+2x2)y=arccos((1+x^2)/(1+2x^2))?

Katyanochek1 [597]

If x approach infinity then (x² + 1)/(2x² +1) = 1/2 then lim as x approach infinity
lim y = arccos 1/2 = 1.047

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3 years ago