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3 years ago

10

What is the domain of the function

2 answers:

Mumz [18]3 years ago

8 0

Answer:

Option B.

Step-by-step explanation:

Domain of any function is defined by all the values of x for which the given function is valid.

In other words for any function if we put the value of x and we get a unique value of y, then x - values are considered as the domain of the function and y- values as range.

From the given graph we can easily say all the values of x greater than (-3) is the domain set.

Therefore, Option B. is the answer.

vampirchik [111]3 years ago

5 0

The domain is all of the possible x values, and there are none less than -3 in this case, so the answer is B, which shows that x must be greater than or equal to -3.

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If using the method of completing the square to solve the quadratic equation x2 - 6x – 7 = 0, which number would have to be adde

Vanyuwa [196]

Answer:

(-3)^2

Step-by-step explanation:

You add 7 on both sides, giving you x^2 - 6x = 7

Then, take half of b, and square it. Giving you x^2 - 6x +(-3)^2 = 7

The answer will be (-3)^2 for this question, but this is not the full solution.

Hope this helped. Good luck on the rest!

3 0

2 years ago

After the drama club sold 100 tickets to a show, it had $300 in profit. After the next show, it had sold a total of 200 tickets

Alinara [238K]

Answer:

Option a : $y-300 = 4(x - 100)$

Step-by-step explanation:

Given :

The drama club sold 100 tickets to a show, it had $300 in profit.

The next show, it had sold a total of 200 tickets and had a total of $700 profit.

To Find : Equation models the total profit, y, based on the number of tickets sold, x

Solution :

For 100 tickets he had $300 in profit .

⇒ ( $x_{1} ,y_{1}$ )=(100,300)

For 200 tickets he had $700 in profit .

⇒ ( $x_{2} ,y_{2}$ )=(200,700)

We will use point slope form i.e.

$y-y_{1} = m(x - x_{1})$ --(A)

Now, to calculate m we will use slope formula :

$m = \frac{y_{2} -y_{1} }{x_{2}-x_{1} }$

$m = \frac{700 -300}{200-100}$

$m =4$

Now, putting values in (A)

$y-300 = 4(x - 100)$

Thus Option a is correct i.e. $y-300 = 4(x - 100)$

5 0

3 years ago

Read 2 more answers

100 points and brainliest! geometry<br><br> please explain :)<br><br> thanks for reading this :)

scoundrel [369]

Hellooooo!! Marie Here!!!

The answer is here:

The value of "x" is 9

<h3>Hope This Helps!!! Have A GREAAATTTT Day!!</h3>

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3 years ago

Which measurement is the most precise? A) 29 cm B) 28.8 cm Eliminate C) 28.76 cm D) 28.762 cm

ioda

Answer:

D) 28.762 cm

Step-by-step explanation:

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3 years ago

Find the 73rd term of the arithmetic sequence -28, -41, -54, ...

PolarNik [594]

Answer:

the 73rd term of the arithmetic sequence is -964.

Step-by-step explanation:

The common difference in this arithmetic sequence is 13. This is obtained by subtracting 28 from 41. The first term is a(1) = -28.

The arithmetic sequence formula is a(n) = a(1) + d(n - 1), where d is the common difference and -28 the first term.

Then, in this case, a(n) = -28 - 13(n - 1), and

a(73) = -28 - 13(73 - 1) = -964

3 0

2 years ago