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Mathematics 7 Online
OpenStudy (anonymous):

EXAM TOMORROW PLEASE HELP attached graph and problem

OpenStudy (anonymous):

OpenStudy (anonymous):

marry me:DDDD

OpenStudy (anonymous):

if you solve my problem

OpenStudy (anonymous):

lol short engagement what is \(f(4)\) it is hard for me to see it is \(f(4)=-4\) ?

OpenStudy (anonymous):

i'm not sure how to get that so i dont know ha

OpenStudy (anonymous):

oh i just blew it up \(g(4)=-1\) from the graph, since it has \((4,-1)\) on it

OpenStudy (anonymous):

look at the graph of \(g\) it it the blue one go over to where \(x=4\) and you see that the blue graph is at the point \((4,-1)\) do you see that?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

k that means \(g(4)=-1\)

OpenStudy (anonymous):

now \(f(4)=-4\) since on the graph of \(f\) you see the point \((4,-4)\) see it?

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

ok so now we know \[g(4)=-1,f(4)=-4\] and so \[(g-f)(4)=g(4)-f(4)=-1-(-4)=-1+4=3\]

OpenStudy (anonymous):

oh okay i see how to do them now. i wasn't sure where to get the numbers from

OpenStudy (anonymous):

it all hinged on reading the answer off of the graph

OpenStudy (anonymous):

you want to do the next one \[(fg)(3)\]?

OpenStudy (anonymous):

-3(0)=0

OpenStudy (anonymous):

ok looks like you are in good shape

OpenStudy (anonymous):

last piece of advice don't marry a smiley face with dollar sign eyes

OpenStudy (anonymous):

haha ill take that advice

OpenStudy (anonymous):

How would I go about these?

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