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2 years ago

Which graph represents the function f(x) = 2/x-1 +3

Mathematics

1 answer:

almond37 [142]2 years ago

8 0

Answer:

Bottom left

Step-by-step explanation:

The limit as x approaches infinity is 3, so there is a horizontal asymptote at 3. So eliminate top left and bottom right.

Also, the fraction 2/(x-1) is undefined when x=1 (since the denominator is 0), so there is a vertical asymptote at x=1. Eliminate top right

So, your answer is the bottom left graph.

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What is the equation of the line through B and C? B = (4,2) C = (-1,-3).

Dahasolnce [82]

Answer:

y=x-2

Step-by-step explanation:

I graphed the equations on desmos and saw which one had those ordered pairs on the line.

6 0

3 years ago

Round the $40435.29 to the nearest thousand dollar

Tanya [424]

Answer:

$40000

Step-by-step explanation:

The nearest thousand dollar is rounding the thousand value from its hundred value, which in this case is 4. Since 4 is less than half of 10, the thousand value must round down to $40000.

5 0

3 years ago

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Suppose that in a random selection of 100 colored candies, 26% of them are blue. The candy company claims that the percentage

quester [9]

Answer: a) -0.2252, b) 0.8219

Step-by-step explanation:

Since we have given that

Sample size n = 100

Probability that candies are blue = p= 0.26

Probability that company claims that it is blue candy = P = 0.27

So, Q = 1-P= 1-0.27 = 0.73

So, Null hypothesis : $H_0:p=P$

Alternate hypothesis : $H_1:p\neq P$

So, the test statistic would be

$z=\dfrac{p-P}{\sqrt{\dfrac{P.Q}{n}}}\\\\z=\dfrac{0.26-0.27}{\sqrt{\dfrac{0.27\times 0.73}{100}}}\\\\z=-0.2252$

Since α = 0.05

So, critical value of z = 1.96

p-value = P(Z>Z(calculated)

Using the excel function , we get that

$P(z>0.2252)\\\\=2\times 0.410.911845\\\\=0.8219$

Hence, a) -0.2252, b) 0.8219

6 0

3 years ago

In a bag of marbles. 4 are white, 5 are

irina1246 [14]

Answer:

15/20 simplified is 3/4

Step-by-step explanation:

So a 3/4 chance or a 75% chance of not drawing a blue marble.

3 0

3 years ago

There are 4 times as many females as males on the maths course at university. What fraction of the course are male?

maxonik [38]

Answer:

Step-by-step explanation:

Cause 4 times 4divide by 4 is is 1 so 1/4

8 0

3 years ago

Read 2 more answers