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xeze [42]
2 years ago
6

Identify the variables: 8c * 7c - 10p + 12

Mathematics
1 answer:
PtichkaEL [24]2 years ago
6 0

9514 1404 393

Answer:

  c, p

Step-by-step explanation:

When you remove the numbers and the math operations (multiplication, addition, subtraction), what is left are the variables. Here, the variables are c and p.

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Write an equation for a rational function with: Vertical asymptotes at x = -3 and x = -4 x-intercepts at x = 3 and x = 4 Horizon
sattari [20]

Answer:

(10x ^ 2 - 70 * x +120) / (x ^ 2 + 7 * x +12)

Step-by-step explanation:

First a rational function is a function that is in the form a / b.

Knowing this, we proceed to calculate the asymptotes in x.

Vertical asymptotes

So that there is an asymptote in x, in a rational function the easiest thing is that the denominator is 0. Therefore, for the asymptotes x = -3 and x = -4, we make it 0 in both cases. That is to say:

x + 3 = 0

x + 4 = 0

both, in the denominator. For the moment it would be something like this:

 1 / (x + 3) * (x + 4)

X Intersections

Now, for intersections, what we should do equation 0, and that the solution of x us of the value we want, in this case x = 3 and x = 4. Because here the denominator does not influence because when equal to 0 to a rational function, the denominator becomes 0. Similarly, it is equal to 0 as in the previous case, only this time they would go in the numerator. It would be:

x - 3 = 0

x - 4 = 0

 Therefore, the function would go like this: (x - 3) * (x - 4) / (x +3) * (x + 4),

Operating the following we have:

(x ^ 2 -4 * x - 3 * x +12) / (x ^ 2 + 4 * x + 3 * x +12)

(x ^ 2 - 7 * x +12) / (x ^ 2 + 7 * x +12)

having asymptotes at x = -3 and x = -4, and intersection at (3.0) and (4.0), that is x = 3 and x = 4.

Horizontal asymptote.

Finally, in the case of the horizontal asymptote, which must be y = 10, what must be done is to divide all the terms by the highest degree term, in this case it is x ^ 2. It would be as follows:

(x ^ 2 / x ^ 2 - 7 * x / x ^ 2 + 12 / x ^ 2) / (x ^ 2 / x ^ 2 + 7 * x / x ^ 2 + 12 / x ^ 2)

Now, x ^ 2 / x ^ 2 = 1, and all the others have to be 0, therefore it would remain (1 + 0 + 0) / (1 + 0 + 0) = 1

So for the asymptote to be 10, the entire denominator must be multiplied by 10, thus being:

10 * (x ^ 2 - 7 * x +12) / (x ^ 2 + 7 * x +12)

(10x ^ 2 - 70 * x +120) / (x ^ 2 + 7 * x +12)

And this equation would already comply with everything required in the problem.

8 0
3 years ago
2. Kimora has 2 peaches, 1 apple, and 3
mestny [16]

Answer:

3/5

Step-by-step explanation:

There are 2 peaches + 1 apple + 3 oranges in the basket. There are a total of 5 fruits in the basket and 3 of them are oranges. If you randomly pick one the chances of you getting an orange if 3 out of 5.

8 0
3 years ago
Read 2 more answers
500 people fill up 4/9 of the hall. What is the seating capacity of the hall?
Yuliya22 [10]
If 4/9 of the hall hold 500 people, then 1/9 of the hall holds 125 people.
Times that by 9 and you have your answer which is 1125 people.
7 0
3 years ago
Read 2 more answers
What is the next term in the following constant velocity sequence? 10 cm, 16 cm, 22 cm, ...
Snowcat [4.5K]
Hello!

I believe the next term in the velocity sequence should be 28 cm.
6 0
3 years ago
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Mike and alice recycled 147 bottles altogether. Mike recycled 6 times as many bottles as Alice. How many bottles did alive recyc
meriva

total=147

a:m

1:6 =7

147÷7=21

21×1=21

alice recycled 21 bottles

8 0
3 years ago
Read 2 more answers
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