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4vir4ik [10]
3 years ago
13

How would i graph f(x)=|2x+2|−1 ?

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
I have attached the graph.  I did this using desmos.com.  Try it out sometime.  I hope that helps.

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GARDENING Jane needs to buy mulch
PSYCHO15rus [73]

Answer:

I suggest you use Socratic, it solves questions like this.

Step-by-step explanation:

7 0
2 years ago
Sean got m marks for his math test.Emma got 15 more marks than Sean Emma score is 97
Dafna1 [17]
97-15=82 so he got 82
5 0
3 years ago
What is 56% written as a ratio A)56 to 1
stellarik [79]
It c) because it 56 out of 100
5 0
3 years ago
7. License Plate Laws The Chapter Problem involved passenger cars in Connecticut and passenger cars in New York, but here we con
sergejj [24]

Yes it is true that commercial truck owners violate laws requiring front license plates at a higher rate than owners of passenger cars because null hypothesis is rejected.

Given among 2049 Connecticut passenger cars, 239 had only rear license plates. Among 334 Connecticut trucks, 45 had only rear license plates.

let p_{1} be the probability that commercial cars have rear license plates and p_{2} be the probability that connected trucks have rear license plates.

                         Cars                     Trucks                         Total

Total                  2049                    334                             2383

x                          239                      45                                284

p                        0.1166                   0.1347                          0.1191

α=0.05

Hypothesis will be  :

H_{0}:p_{1} =p_{2}

H_{1} :p_{1} < p_{2}

It is a left tailed test at 0.05 significance.

Standard errors of p=\sqrt{p(1-p)/n}

=\sqrt{(0.1191*0.8809)/2383}

=\sqrt{0.1049/2383}        

=0.0066

Test statistic Z=p difference/standard error

=(0.1166-0.1347)/0.0066

=-0.0181/0.0061

=-2.967

p value=0.001505<5%

Since p is less than 5% we reject null hypothesis.

We cannot calculate standard deviation so  we cannot calculate confidence interval.

Hence there is statistical evidence at 5% significance level to support that commercial truck owners violate laws requiring front license plates at a higher rate than owners of passenger cars.

Learn more about z test at brainly.com/question/14453510

#SPJ4

5 0
2 years ago
Determine whether the relation is a function.<br> 5 points<br> TOI<br> Function<br> Not a Function
Stells [14]

Answer:

Function

Step-by-step explanation:

Put a vertical line through every point.

If the line goes through another point, then it is not a function.

This method is called the Vertical Line Test or VLT

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

7 0
3 years ago
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