Kayy_Drizzyy
PlEASE HELP ?
I can't manage to find the correct answer in my graphing calulator
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Kayy_Drizzyy
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Kayy_Drizzyy
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@UnkleRhaukus Can you help me please
Kayy_Drizzyy
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@zordoloom Can you help me please
zordoloom
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The proper graph is on graphcd.jpg.
zordoloom
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So the second attachement, first image.
Kayy_Drizzyy
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Oh okay, but i got a different answer on my graph cal. I feel like its messed up or something
zordoloom
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Make sure you put parentheses.
zordoloom
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Actually, wait one sec.
Kayy_Drizzyy
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Aww thanks @AravindG
AravindG
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yw :)
zordoloom
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On the first attachement, is there an intersection at y=-10?
zordoloom
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It looks like the first attachement, graph 2.
Kayy_Drizzyy
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@zordoloom I think its under the -10, but it is by it. & im checking in my cal. now
zordoloom
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Okay, Its the on the first attachement, graph 2 then.
Kayy_Drizzyy
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How did you get that answr ?
zordoloom
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I graphed the graph and found its derivative. And it has an intersection below -10.
Kayy_Drizzyy
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oh okay so if we look back is my answer A ?
zordoloom
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No
Kayy_Drizzyy
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:( What is it ?
zordoloom
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I think it would be b. Because its the second graph on the first attachment. They aren't lettered, so I don't really know.
Kayy_Drizzyy
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Ill show you one at a time.
zordoloom
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Kayy_Drizzyy
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Yeah thats b Are you 100% sure ?
Kayy_Drizzyy
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I'm about to try and graph it one more time
zordoloom
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Yes, Positive.
Kayy_Drizzyy
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Thankyou. Do you think you can help me with another problem im having trouble with ?
zordoloom
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Sure.
zordoloom
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So, was it correct?
Kayy_Drizzyy
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zordoloom
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Give me a moment.
zordoloom
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Okay, it's either the first one, or the third one.
Kayy_Drizzyy
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How do you know that ?
zordoloom
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Take the limit as x goes to 0.
zordoloom
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Is this by any chance calculus?
Kayy_Drizzyy
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No
zordoloom
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Its the first one.
Kayy_Drizzyy
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I still don't understand lol How did you get that ? can you please show me.
zordoloom
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Have you studied limits?
Kayy_Drizzyy
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Yes i took notes & i'm looking over them now, but i just need just a little help of how you got that.
Kayy_Drizzyy
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are you 100% sure its the first one.
zordoloom
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Sure. So you start by multiplying everything out. Then canceling like factors and you get the first and third choice.
zordoloom
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Yes, 100%.
zordoloom
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So the only option left is the first one.
Kayy_Drizzyy
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Im working out the problem. & thank you :)
zordoloom
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Another easy way to figure this out really fast is by looking at the options that are give. You can then determine that the only possible restriction is x can't equal 1. Everything else works.
Kayy_Drizzyy
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Thank you so much . I'll keep that in mind. Do you have time for another problem you can help me ?
zordoloom
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So plug it into your calculator, and plug x=1, You'll not get a solution there, since there is a vertical asympotoe.
zordoloom
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Sure.
Kayy_Drizzyy
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Kayy_Drizzyy
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@zordoloom
zordoloom
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Still loooking at it.
Kayy_Drizzyy
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Me to . I'm adleasttrying to work it out to see if i get the right answer.
zordoloom
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Is that a 6b in the denominator?
zordoloom
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That's defiantly a typo. it should be n.
Kayy_Drizzyy
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Say what now ?
zordoloom
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Assuming it's a typo, the correct answer is the second one.
zordoloom
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The b in the denominator is a typo, a mistake. There is no answer with a b in it, therefore no solution exist. But if you replace the "b" with a "n" you get the second choice that is listed.
Kayy_Drizzyy
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I got that to well almost. Kinda of similar. Can you please Show me work on how you got that so i can write it down and comapre it mine.
zordoloom
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Do you not trust me?
Kayy_Drizzyy
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I do haha, but im very aware of my grades and answers so i will ask are you 100% lol sorry
Kayy_Drizzyy
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Your a big help & i wanna thank you
zordoloom
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100%. but again there is a mistake in the question.
AravindG
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@zordoloom a better idea would hav been guiding her to that solution instead of pointing out which option is right ..that way she could have understood it 100%
zordoloom
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You start by factoring the top part and get (x+1)(x+2)
Kayy_Drizzyy
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I dont see a typo. Im checking over my answer on my paper just to double check.
AravindG
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@Kayy_Drizzyy did you like my calculator ? :)
zordoloom
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And then factor the denominator and get (x+2)(x+4)
Kayy_Drizzyy
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Alright @zordoloom Thanks a lot you were a lot of help.
zordoloom
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|dw:1359126064965:dw|
Kayy_Drizzyy
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Okay i see . I'm writting it down.
zordoloom
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|dw:1359126148210:dw|
Kayy_Drizzyy
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Are you good with complex fractions ? & thank you i understand that problem now .
zordoloom
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Maybe.
zordoloom
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More complex than these?
Kayy_Drizzyy
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well to be honest im TERRIBLE with this & you helping me with this problem will mean a lot.
zordoloom
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I gotta go in 5 minutes.
Kayy_Drizzyy
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awww man
zordoloom
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So post the question.
Kayy_Drizzyy
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zordoloom
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I would say its the last option.
Kayy_Drizzyy
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You would say ? Lol are you sure? Do we need to review
zordoloom
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I'm sure.
zordoloom
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It's none of the first 3, that's for sure. So it must be the last one.
zordoloom
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Were any of the previous answer wrong?
zordoloom
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*answers.
Kayy_Drizzyy
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I havent submited it yet. So im not sure. But you can go now. Thank you so much for your help.
zordoloom
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Yep.