Ex 1: Determine the Domain and Range of the Graph of a Function

This video provides two examples of how to determine the domain and range of a function given as a graph.

[pearlwatson]

THANK YOU, because this is the only video that explains what my child is doing in class: being able to determine the inequality sentence from looking at a graph. Thanks for showing the numbers on the graph, using different colors, writing the inequality, and listing the domain & range. Writing the inequality on the left side is like writing the sign backwards.

[jsmnee]

even though this video is from 2011 it still helped a lot, THANK YOU!

[haruru]

currently here bc my teacher thought we wouldnt need to learn what showed up the most on our test 🙂

[Sakura-pccp]

I've always despised math but something about your calm demeanor and teaching style is making my algebra homework feel like a soothing reprieve from this insane clown world.

[loveartkelis]

Junior in algebra 3 right now! This is probably the most helpful channel ive come across. I feel very slow at math sometimes and i missed my math class today due to an appointment! I have a test tomorrow so im cramming in some studying. Despite how old it is this helped so much and you make math seem actually fun to learn. Thank you! :)

[felisekat]

Thank goodness I found this, my professor mumbles and speeds through stuff. She says we should have learned it in a previous class and it’s not her problem. so happy to learn here ❤

[sanguinesurfer]

my damn online homework has links to videos and textbook chapters but TOTALLY ignored/excluded a lesson on this. so i thank you for making this video and saving my behind in my math class

[JoshieJukebox]

Freshie in Algebra 1 here, teacher has been on this for weeks now but it's confusing. Got a test in this in a couple of hours, All I needed to do was watch this video. Thank you so much 😃

[yoonbumi]

This video was 9 years ago, 9 years ago I did not need to do this.

[bruhsnag]

Almost 10 years later this video saved the day

[fiftycal]

Bruh you have know idea how much this helped I though I was gonna fail my test but now I feeling good

[dylandauenhauer]

Are you a super hero cause u just saved my life. I love you

[SameOlHim]

this helped a lot, the only problem is the captions are in the way at times but this really helped!

[voogi_]

You stressing me on the first problem range why not -2?

[amandarobinson]

I remember how i did myopenmath and watched your video, now I could even help someone

[KFSkywalker]

Thank you so much the teacher was
Not explaining it at all but u helped me, thank you

[evanderali]

But how do I determine the inequality signs?

[xvaleriog]

Thanks! Great video to help my daughter with her Algebra homework.

[vincentdavis]

Some inputs of the function yield non-real results which is why the lines on the graph of the function(s) have endpoints instead of going on forever. A square root function with a negative modifier under the radical could yield imaginary results if the input value doesn't overmatch the modifier and produce a positive number under the radical for non-imaginary (real) results, thus limiting the Domain and Range... Correct me if I'm wrong?

[Mymythikclan]

wow i wished i got this im a senior and i have to pass this for homeschool hope i dont fail
:(