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Mathematics 15 Online
OpenStudy (anonymous):

Help please :)

OpenStudy (anonymous):

OpenStudy (anonymous):

Well domain means what values are allowed in x.

OpenStudy (anonymous):

What do you notice about the circle?

OpenStudy (anonymous):

Range is the allowed values of y.

OpenStudy (anonymous):

Hint: Look for the smallest value of x and the biggest value of x and look for any discontinuities in between.

OpenStudy (anonymous):

Same logic for y.

OpenStudy (anonymous):

-7 and 3

OpenStudy (anonymous):

yep!

OpenStudy (anonymous):

thats range right?

OpenStudy (anonymous):

Interval notation means you type with the corresponding brackets.

OpenStudy (anonymous):

No that's domain.

OpenStudy (anonymous):

[-7,3]

OpenStudy (anonymous):

( ) means you don't include the values. [ ] means you do.

OpenStudy (anonymous):

Good job!

OpenStudy (anonymous):

Now range.

OpenStudy (anonymous):

-7?

OpenStudy (anonymous):

Close. It is -7 but what is the other value?

OpenStudy (anonymous):

-2

OpenStudy (anonymous):

because range means a set of y-values that exist in the function.

OpenStudy (anonymous):

Good!

OpenStudy (anonymous):

Now how do you type that?

OpenStudy (anonymous):

so [-2,-7]?

OpenStudy (anonymous):

Yep!

OpenStudy (anonymous):

Good job :) .

OpenStudy (anonymous):

thank you :')

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