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fiasKO [112]
3 years ago
12

Explain the closure property as it relates to addition of polynomials. Give an example.

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:

it relates to it for a shape

Step-by-step explanation:

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Evaluate the following functions at x = 10 q(x)=x^2-2x+2​
Oduvanchick [21]

Answer:

82

Step-by-step explanation:

given:x=10

Evaluating,

(10)²-2(10)+2

=100-20+2

=80+2

=82

Pls mark me brainliest

5 0
3 years ago
Describe any domain restrictions that make sense for each of these scenarios: The price of a stock fluctuates several times thro
mrs_skeptik [129]

Answer:

  • a) Restriction: days of the year (a discrete time)

  • b) The time the ball is on the air: t = 0, until the balls touchs the ground (any real value from t = 0 to t when the ball hits the ground)

  • c) Any positive real value: x ≥ 0

Explanation:

The <em>domain </em>is the set of elements that can be inputs of the <em>function</em>.

<u><em>1. The price of a stock fluctuates several times throughout the year as a function of time.</em></u>

The input variable is the time through out the year.

If you assume that the fluctuaion is recorded once a day, and not every second, the logical assumption is that the time is a day of the year.

Thus, the restricion is the days of the year.

You could represent them in different forms, like DD/MM/YY, or even as a number from 1 to 365 if it covers just one year.

<u><em></em></u>

<u><em>2. A ball is hit into the air by a baseball player, rises until it reaches its highest point, and then falls into left field.</em></u>

The domain is the time the ball is on the air, which may be any real value from t = 0, until the balls touchs the ground.

It is not restricted to integer numbers.

<u><em>3. The volume of a spherical balloon increases as the balloon is blown up and decreases as air is let out of it.</em></u>

The inputs of the function are amounts of air, which may be measured as number of moles.

The number of moles can be any real value equal or greater than zero.

Thus, the domain is the positive real values x ≥ 0.

8 0
3 years ago
Read 2 more answers
Find the slope of the line that passes through (6, 8) and (2, 17).
Inga [223]

Answer:

-9/4

Step-by-step explanation:

Slope is equal to the change in y, over the change in x, or rise over run.

x, is the run

y, is the rise

You can substitute the coordinate numbers on the equation to find the slope. which is y2-y1/x2-x1

m= 17-(8)

——

2-(6)

Your answer will be -9/4 (it doesn’t matter where the negative goes, and there’s a negative because 2-6= -4)

Hope this helps.

8 0
2 years ago
In a computer instant messaging​ survey, respondents were asked to choose the most fun way to​ flirt, and it found that ​P(D) =0
ikadub [295]

Answer:

P(Dᶜ )=0.41

Step-by-step explanation:

In the survey, the event D is the event of people who prefer to flirt directly in person.

Given that P(D)=0.590.

If someone is selected randomly, the probability that the individual prefers to flirt directly in person is 0.590.

If the person does not like to flirt in person, the probability of it will be the complement of event D.

From Probability Theory,

P(D)+P(Dᶜ )=1

0.590+P(Dᶜ )=1

P(Dᶜ )=1-0.590=0.41

The probability that the selected person does not like to flirt in person is 0.41.

5 0
3 years ago
Andy wrote the following statement:
olasank [31]
I believe it would be B. Because, an isoceles triangle is a triangle with 2 equal sides and 1 is not equal ... SO, more than one triangle could be drawn from this information. Because, 55 could be the uneven side for many triangles. So, B.  Andy is incorrect, because more than one triangle can be drawn from the given info. :)

<u><em>B.</em></u><em /> Hope it helps!!! :)<em /><em />
3 0
3 years ago
Read 2 more answers
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