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ankoles [38]
3 years ago
13

A 2-row table with 9 columns. The first row is labeled x with entries negative 4, negative 3, negative 2, negative 1, 0, 1, 2, 3

, 4. The second row is labeled f of x with entries negative 54, negative 20, negative 4, 0, negative 2, negative 4, 0, 16, 50. Which interval contains a local maximum for this function? Which interval contains a local minimum for this function?
Mathematics
2 answers:
Alexeev081 [22]3 years ago
10 0

Answer:

(-2,0)   and (0,2)

Step-by-step explanation: I GOT IT RIGHT ON EDGINUITY

THANK ME LATER!!

artificialcranapplejuice
2 years ago
is it later yet?
Margarita [4]3 years ago
7 0

Answer:

x    -4    -3  -2  -1    0    1   2   3    4

y  -54 -20  -4   0   -2  -4  0   16   50

at 4 it is  maximum .

maximum value=50

hope that helps

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Write an equation of the line passing through the point A(2, 0) that is parallel to the line y = 3x−5
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Answer:

y = 3x-6

Step-by-step explanation:

y = 3x−5

This is in slope intercept form

y = mx+b where m is the slope and b is the y intercept

m =3

Parallel lines have the same slope

We have the slope m=3 and a point (2,0)

y = mx+b

y = 3x+b

Substituting the point into the equation to solve for b

0 = 3(2)+b

0 = 6+b

b = -6

y = 3x-6

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Step-by-step explanation:

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2 years ago
An automobile manufacturer has given its van a 31.3 miles/gallon (MPG) rating. An independent testing firm has been contracted t
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Answer:

z=\frac{31.1-31.3}{\frac{1.3}{\sqrt{140}}}=-1.82  

The p value for this case would be given by:

p_v =2*P(z  

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly different from 31.3 MPG

Step-by-step explanation:

Information given

\bar X=31.1 represent the sample mean  

\sigma=1.3 represent the population standard deviation

n=140 sample size  

\mu_o =31.3 represent the value that we want to test  

\alpha=0.02 represent the significance level for the hypothesis test.  

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true mean is equal to 31.3 MPG, the system of hypothesis would be:  

Null hypothesis:\mu =31.3  

Alternative hypothesis:\mu \neq 31.3  

Since we know the population deviation, the statistic is given by

z=\frac{\bar X-\mu_o}{\frac{\sigma}{\sqrt{n}}} (1)  

Replacing we got:

z=\frac{31.1-31.3}{\frac{1.3}{\sqrt{140}}}=-1.82  

The p value for this case would be given by:

p_v =2*P(z  

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true mean is not significantly different from 31.3 MPG

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3 years ago
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