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pishuonlain [190]
3 years ago
7

Please help! thanks so much​

Mathematics
1 answer:
Stels [109]3 years ago
4 0

Answer:

See below.

Step-by-step explanation:

First, we can see that \lim_{x \to 2}  (f(x))= -1.

Thus, for the question, we can just plug -1 in:

\lim_{x \to 2} (\frac{x}{f(x)+1})=\frac{(2)}{-1+1}  =und.

Saying undefined (or unbounded) will be correct.

However, note that as x approaches 2, the values of y decrease in order to get to -1. In other words, f(x) will always be greater or equal to -1 (you can also see this from the graph). This means that as x approaches 2, f(x) will approach -.99 then -.999 then -.9999 until it reaches -1 and then go back up. What is important is that because of this, we can determine that:

\lim_{x \to 2} (\frac{x}{f(x)+1})=\frac{(2)}{-1+1}  = +\infty

This is because for the denominator, the +1 will always be greater than the f(x). This makes this increase towards positive infinity. Note that limits want the values of the function as it approaches it, not at it.

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Can someone pls help.​
katen-ka-za [31]

Answer:

25

Step-by-step explanation:

multiply then add hoped that helped

7 0
3 years ago
Read 2 more answers
which statements are true about the graph of the function f(x) = 6x – 4 x2? check all that apply. the vertex form of the functio
Brut [27]

Answer:

The vertex of the function is the point (-3,-13)

The graph increase over the interval--------> (-3,∞)

Step-by-step explanation:

we have

f(x)=6x-4+x^{2}

<u>1) Convert to vertex form</u>

Group terms that contain the same variable, and move the constant to the opposite side of the equation

f(x)+4=x^{2}+6x

Complete the square. Remember to balance the equation by adding the same constants to each side

f(x)+4+9=x^{2}+6x+9

f(x)+13=x^{2}+6x+9

Rewrite as perfect squares

f(x)+13=(x+3)^{2}

f(x)=(x+3)^{2}-13 -----> function in vertex form

<u>2) Find the vertex</u>

The vertex of the function is the point (-3,-13)

<u>3) Find the axis of symmetry</u>

we know that

In a vertical parabola, the axis of symmetry is equal to the x-coordinate of the vertex

The x-coordinate of the vertex in this problem is equal to x=-3

therefore

the equation of the axis of symmetry is  x=-3

<u>4) Find the increase-decrease intervals</u>

The graph increase over the interval--------> (-3,∞)

The graph decrease over the interval--------> (-∞,-3)

see the attached figure to better understand the problem

<u>5) Find the x-intercepts of the function</u>

we know that

the x-intercepts are the values of x when the value of the function is equal to zero

In this problem the x-intercepts are  

(-6.61,0) and (0.61,0)

so

The function cross the x-axis twice

see the attached figure

5 0
4 years ago
Read 2 more answers
In how many ways can a teacher arrange 4 students in the front row of a class room with a total of 30 students
BARSIC [14]

The student on the left end of the row can be any one of 30. 
                         For each of those ...
The student in the next seat can be any one of the remaining 29.
                         For each of those ...
The student in the next seat can be any one of the remaining 28.
                         For each of those ...
The student on the right end of the row can be any one of the remaining 27.

The total number of ways to pick 4 students and seat them in the front row is

            (30 x 29 x 28 x 27) = <em>657,720 ways.</em>

That's enough to do it a different way every school day for about 3,600 years !
(or until they all graduate, whichever comes first)

4 0
3 years ago
A rectangular sheep pen measures 5 m long and 9 m wide. The perimeter of the cow pen is double the perimeter of the sheep pen wh
saw5 [17]

Answer:

56m

Step-by-step explanation:

First calculate the perimeter of the sheep pen.

The perimeter is all the side lengths added together.

The rectangle has two sides that are 5m long and two sides that are 9m long.

5 + 5 + 9 + 9 = 28m

Now that you know the perimeter of the sheep pen you can double it by multiplying by 2 to find tha perimeter of the cow pen.

28 * 2 = 56m

3 0
3 years ago
Read 2 more answers
Find the slope <br> Plz help
slamgirl [31]

Answer:

6

-

5

Step-by-step explanation:

You can do there are multiple ways but the easiest is rise over run so

so -4 to 2 is 6 and -2 to 3 is 5 so the answer is

6

--

5

You can also do the much harder way of

Y2-Y1   (-2,-4)     2-(-4)    6

---------    x  y       --------= --

X2-X1    (3,2)      3-(-2)    5

8 0
3 years ago
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