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Maslowich
3 years ago
6

Can I please get help with this question

Mathematics
2 answers:
Elden [556K]3 years ago
8 0

Answer:

A. -1/3 y-intercept 3

Step-by-step explanation:

Slope Formula: y2-y1/x2-x1

Find 2 coordinates

(-3,4) (3,2)

y2=2

y1=4

y2-y1

2-4=(-2)

x2=3

x1=-3

3-(-3)=(6)

-2/6= -1/3

Hope this helps!

blsea [12.9K]3 years ago
7 0

Answer:

I think B  honestly because when your doing slope you want each dot to add up and still go on the line

Step-by-step explanation:

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lisabon 2012 [21]

We are given the following function:

f(x) = 4/(x+2) - 2

We are asked to determine the inverse of this function. To do that we will first change the "f(x)" for "y":

y =  \frac{4}{x + 2}  - 2

Now we will switch "x" and "y", like this:

x =  \frac{4}{x + 2}  - 2

Now we will solve for "y", first by adding 2 to both sides:

x + 2 =  \frac{4}{y + 2}

Now we multiply both sides by "y+2":

(y + 2)(x + 2) = 4

Now we divide both sides by "x+2":

y + 2 =  \frac{4}{x + 2}

Now we subtract 2 to both sides:

y =  \frac{4}{x + 2}  - 2

Now we change "y" for the inverse of f(x), that is:

{f}^{ - 1} (x) =  \frac{4}{x + 2}  - 2

And thus we found the inverse. A similar procedure can be used for function 2.

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3 years ago
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Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.5
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By the Empirical Rule, 99.7% of the students have grade point averages that are between 1.28 and 3.8.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed(bell-shaped) random variable:

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95% of the measures are within 2 standard deviation of the mean.

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In this problem, we have that:

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1.28 = 2.54 - 3*0.42

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Answer:

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