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Algebra 19 Online
OpenStudy (anonymous):

Please check my answer for Analyzing Graphs? Fanning and Giving medal!

OpenStudy (anonymous):

OpenStudy (anonymous):

me i would put b

OpenStudy (anonymous):

I would probably do b too,

OpenStudy (anonymous):

@Dominic15 and @daddyscupcake ?

OpenStudy (anonymous):

i would put a

OpenStudy (anonymous):

@Dominic15 can you please explain to me?

OpenStudy (anonymous):

well the graphed function is aming twords 0 and is near -4 i think

OpenStudy (anonymous):

theres not a problem giving people answers if the dont get it @KendrickLamar2014

OpenStudy (xapproachesinfinity):

okay so you seem to choose the last one, why do you think so realize i'm not saying it is wrong but i'm asking what your reasoning

OpenStudy (anonymous):

Factor 15x3 – 5x2 + 6x – 2 by grouping. What is the resulting expression? (5x2 + 2)(3x – 1) (5x2 – 2)(3x + 1) (15x2 + 2)(x – 1) (15x2 – 2)(x + 1 anybody now the answer

OpenStudy (anonymous):

well it is fine this one time

OpenStudy (anonymous):

@xapproachesinfinity because it seems the function seems to go negative where (-infinity,-3) is at

OpenStudy (xapproachesinfinity):

@Dominic15 please post your question in another post this one is only for her question only

OpenStudy (anonymous):

sorry didnt mean to my bad bro

OpenStudy (xapproachesinfinity):

No that's not how you say it the function was decreasing and increasing after getting the point (5,6) where f'(x)=0 so f' was negative and then it changes sign after [5, 7] so we can say that the function has a local min in the interval [4,7]

OpenStudy (xapproachesinfinity):

So that's means you have the correct answer

OpenStudy (anonymous):

@xapproachesinfinity so its the last one, correct ?

OpenStudy (xapproachesinfinity):

correct!

OpenStudy (anonymous):

ok thank you ..

OpenStudy (xapproachesinfinity):

welcome! your next question is wrong recheck it again f(x)<0 mean f is below y<=0

OpenStudy (anonymous):

may i please please ask you if i have any other problem? I am literally crying because I failed the test.

OpenStudy (anonymous):

@xapproachesinfinity

OpenStudy (xapproachesinfinity):

sure! go ahead

OpenStudy (anonymous):

OpenStudy (anonymous):

alright so i tried to match up the answers to the graph but none of them seem to fit

OpenStudy (anonymous):

@xapproachesinfinity

OpenStudy (anonymous):

i would go with c

OpenStudy (xapproachesinfinity):

Ok the best approach is to check all the answers and see which make sense so let's start with the last it says before 7 year the profit is increasing ? but according to the data graph i have a decreasing before 7 yeays so that's not correct

OpenStudy (anonymous):

It looks like I missed over looked c, it does have a 1,000 dollar difference.

OpenStudy (xapproachesinfinity):

we move to another answer so we can eliminate one by one this times we go check c it say the profit at the year 7 is 1000$ greater than the year 6 that's not true what's true is in the year 7 the theater owes 3000 before that in the year 6 it was owing 2000 so we have owing problem here

OpenStudy (xapproachesinfinity):

the first one now: it says in the year 7, the theater has positive profit? really? according to our graph again that's not true the theater owes money so it didn't have positive profit

OpenStudy (xapproachesinfinity):

so what is our conclusion now?

OpenStudy (xapproachesinfinity):

what do you think

OpenStudy (anonymous):

I think the answer is B @xapproachesinfinity

OpenStudy (anonymous):

because they started oweing less

OpenStudy (xapproachesinfinity):

yes! that is right after year 7 we have increasing first as you said they started to get rid of their oweing money later on boom they profited more money

OpenStudy (xapproachesinfinity):

always analyze the graph what is going on what class is this? calculus

OpenStudy (anonymous):

no its Algebra @xapproachesinfinity

OpenStudy (anonymous):

@xapproachesinfinity i believe that the answer for this is B

OpenStudy (xapproachesinfinity):

Oh i see, there was some calc flavor that's why i asked you! good luck

OpenStudy (anonymous):

@xapproachesinfinity can you help me.

OpenStudy (anonymous):

@xapproachesinfinity you can no longer help me? oh god im in deep trouble

OpenStudy (xapproachesinfinity):

B says [-2,0] but here there is no local maximum? the only maximum is see is where the graph went high to the point 10.8

OpenStudy (anonymous):

why are u in trouble

OpenStudy (xapproachesinfinity):

if you checked all the interval you will see that a) b) d) all talk about minimum not maximum

OpenStudy (anonymous):

@xapproachesinfinity oohh so its D ?

OpenStudy (xapproachesinfinity):

yep!

OpenStudy (anonymous):

@xapproachesinfinity i had a bit of a issue with this because none of them match but A)

OpenStudy (xapproachesinfinity):

the maximum is the highest level the graph reaches the minimum is lowest level the graph reaches local max is the level where the function goes up the local min is level where the function get the bottom but it has to turn so we can call it local min or max

OpenStudy (anonymous):

the one for the one i just posted ?

OpenStudy (anonymous):

@xapproachesinfinity

OpenStudy (xapproachesinfinity):

the function is positive when the graph is above the x-axis if it is below it is negative

OpenStudy (anonymous):

yeah but that graph only fits for (-3,-2)

OpenStudy (xapproachesinfinity):

I would agree with you but not (-3,-2) it is (-3,-2] -2 is included in all of those choices but -3 is not there must be some kind of a mistake here

OpenStudy (xapproachesinfinity):

I would say B the only answer that some how is close to be true the other choices are off scale you might want to ask your prof about this issue

OpenStudy (anonymous):

@xapproachesinfinity thank you so so much i got the grade i was reaching for

OpenStudy (xapproachesinfinity):

Welcome! don't bother much about grade stuff! you want to learn as much as you can that's what's important. show you prof that working hard to get this

OpenStudy (xapproachesinfinity):

to me you are doing good! you just need some more confidence and more work it seems you have the idea of those problem! i suggest that you think harder about the problem before posting them or asking for help this way when you ask someone for help you have already reached a good point on solving problem you will see that you can solve those problem easily later on

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