What is the domain and range of y = x+1/x-1

Answers

Answer 1

Answer: $y = (x + 1)/(x - 1)$
Domain    Range
    -3    ¹/₂
    -2    ¹/₃
    -1 0
   0    -1
   1    undefined
   2 3
   3 1¹/₂

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URGENT!!!!!!!!!!!!!!!!!! QUESTION BELOW
Z=2b+6 and y=3b-1 answer please?
Write three powers with whole-number bases that have values greater than 120 and less than 130. The three powers, in order from least to greatest, are , , and .

Who know the answer to 170 times 4

Answers

Answer:

680, hope this helps!

How does the slope of a road affect a person`s driving?

Answers

it can affect a person in many different ways they can measure the slope and find out the slope but they will never be able to measure the whole thing

Write the equation of the line that passes through the given points. (0,-5) and (8,0)

Answers

Answer:

$y=(5)/(8)x-5$

Step-by-step explanation:

You're given two points, using that you can use the slope-finding formula:

$slope=((y^(2) - y^(1)) )/((x^(2) - x^(1)))$

After that, match up the y-coordinates with each other and the same goes for the x-coordinates. It should look something like this:

$slope = ((0-(-5)))/((8-0)) \n\n=(5)/(8)$

5/8 is your slope. Using the general slope formula y=mx + b, you know that m is the slope and b is the y-intercept. So now you know your slope, plug it into the formula, along with one of the given points. In this case, I will be using (8, 0) because it is easier to solve.

$m = (5)/(8)\n \ny = ((5)/(8) )x+b\n(8, 0)\n(0) = (5)/(8)(8) + b\n 0 = 5 + b\n\n-5 =b\n \ny=(5)/(8)x-5$

You can see I replaced the x and y with the given values accordingly. Then you simplify by subtracting the five on both sides and your y-intercept is -5. Then combine your slope and y-intercept to get your answer!

Hope that helped!

-Bob Ross

All answers and questions are found in the image

Answers

6 because 46-40=6. you do that because the total is 46 and something + 40 =46 so u subtract.

An airplane flies in a straight line for 5 hours & then takes a turn 12 degrees to the right & flies 3 hours in the new direction. The plane maintained a constant speed of 550 miles per hour throughout the flight. How far is the plane from the starting point in the air at the end of this time? (could someone pls explain this lol -3-)

Answers

we have triangle with side 5*550 = 2750 and side 3*550=1650 and angle 180-12 = 168 between them
Now we use the cosine theorem to get third side

$d = √(2750 ^2+1650^2-2*1650*2750*cos(168)) = 4 377.40670603041$

On a standardized science test, the seniors at Fillmore High School have a mean score of 430 with a standard deviation of 90.For random samples of 100 seniors, what interval centered on the mean of the sampling distribution captures 68% of the mean scores? If necessary, round to the nearest tenth. Enter the interval from least to greatest.

For random samples of 100 seniors, 68% of the sample means fall between ____ and ___

Answers

Answer:

For random samples of 100 seniors, 68% of the sample means fall between 340 and 520

Step-by-step explanation:

As a property of normal distribution, 68% of sample means fall between mean - sigma(430 - 90 = 340) and mean + sigma (430 + 90 = 520) (here, sigma is standard deviation).

Hope this helps!

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