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Mathematics 15 Online
OpenStudy (anonymous):

POOOOJA???

OpenStudy (anonymous):

@pooja195

OpenStudy (anonymous):

Which numbers belong to the domain of the relation? Choose all answers that are correct. –4 –2 1 3

OpenStudy (anonymous):

@Directrix

OpenStudy (anonymous):

@Directrix please help

Directrix (directrix):

The graph lies in the second quadrant where x is negative. An x of 0 is also part of the domain. The domain is the set of x-values of the function.

Directrix (directrix):

Which of your options are negative?

OpenStudy (anonymous):

-4 and -2

Directrix (directrix):

Correct.

OpenStudy (anonymous):

thats it?

OpenStudy (anonymous):

And can you check something for me?

OpenStudy (anonymous):

@Directrix ?

Directrix (directrix):

What needs checking?

OpenStudy (anonymous):

This,

Directrix (directrix):

What is the question for this? I used this set of options for the first question we did. Which numbers belong to the domain of the relation? Choose all answers that are correct. –4 –2 1 3

OpenStudy (anonymous):

{(–3, –1), (2, 2), (0, 1), (1, 3) (–2, 4)} {(–3, –1), (–2, 2), (1, 0), (3, 1) (4, –2)} {(–3, –1), (2, –2), (1, 0), (3, 1) (4, –2)} {(–1, 3), (–2, –2), (0, 1), (3, 1) (4, 2)}

Directrix (directrix):

Maybe you posted the wrong diagram for the first question. Check and see.

OpenStudy (anonymous):

My answer was C.

OpenStudy (anonymous):

Was that right?

Directrix (directrix):

I just read the points from the graph and now will check what I got. Hold on.

Directrix (directrix):

This point is part of answer C. (2, –2) Go back and look at the graph and check to see if (2, –2) is on the graph. I did not see it but need you to check.

OpenStudy (anonymous):

yeah it is.

Directrix (directrix):

It is not. I think you are reading the point backwards. Looking at (-2,2) and calling it (2, -2)

Directrix (directrix):

Look again.

OpenStudy (anonymous):

Oh no...its B???? Wow I got tricked.

Directrix (directrix):

Yes, you did. It is easy to do on these point coordinate reading problems. {(–3, –1), (–2, 2), (1, 0), (3, 1) (4, –2)} is what I got.

OpenStudy (anonymous):

is that right?

OpenStudy (anonymous):

@Directrix

OpenStudy (anonymous):

monkey is he right?

OpenStudy (anonymous):

it is (-2,2) remember x comes before y

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

monkey thats smart thinking

Directrix (directrix):

>monkey is he right? Yes.

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