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Mathematics 17 Online
OpenStudy (anonymous):

what is y=[x+1]

OpenStudy (anonymous):

that is a linear function of a line. what specifically are you asking?

myininaya (myininaya):

[ ] could mean greatest integer function is that right? is that what it is called?

OpenStudy (anonymous):

[x] i believe is the Greatest Integer Function.

OpenStudy (anonymous):

yeah your right myininaya

OpenStudy (anonymous):

if we are assuming [ ] is meant to be in the problem it would simply be extra parentheses. if they were | and | it would mean absolute value

myininaya (myininaya):

[3.01]=3 [2.99]=2 [5.33]=5 this is how the function works right joe?

OpenStudy (anonymous):

it returns the greatest integer less than or equal to x, for example: [5.4] = 5 [-3.2] = -4 yeah thats right

myininaya (myininaya):

[x.2342525]=x assuming x is a digit of that above number

myininaya (myininaya):

[x.ewffwgada]=x

myininaya (myininaya):

lol [x.gibberish]=x

OpenStudy (anonymous):

\[what is y= \left| x+1 \right|\]

myininaya (myininaya):

y=|x+1| | | means absolute value

myininaya (myininaya):

absolute value is the maginutide (or distance of that number from 0) from 0 |0|=0 |x|=x ,x>0 |x|=-x ,x<0

myininaya (myininaya):

|x+1|=-(x+1) for x+1<0 or x<-1 |x+1|=x+1 for x+1>0 or x>-1 |-1+1|=|0|=0

myininaya (myininaya):

examples if we enter in x=-2 we get |-2+1|=|-1|=1 or we can say |-2+1|=-(-2+1)=-(-1)=1 using one of the above thingys i mentioned

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