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Mathematics 15 Online
OpenStudy (anonymous):

I need help with my Algebra II functions! Can someone please explain this to me?

OpenStudy (gorv):

yeah sure

OpenStudy (gorv):

can u post ur Q ??

OpenStudy (anonymous):

I'm working with the function, f(x) = 2 * [x]

OpenStudy (gorv):

what u have to do??

OpenStudy (anonymous):

The question is asking me to graph it with the domain of -2< x < (or equal to) 1

OpenStudy (gorv):

it is greatest integer function

OpenStudy (gorv):

2* [x] this ??

OpenStudy (gorv):

2*|x| or this one ??

OpenStudy (anonymous):

The second one

OpenStudy (gorv):

|x| this will give you only positive value ..it is called modulus function

OpenStudy (anonymous):

I plotted out a graph that has -2 through 1, I was just in putting those numbers into the place of the x...

OpenStudy (gorv):

like x=-2 |-2|=2 it will give

OpenStudy (anonymous):

I know that

OpenStudy (gorv):

at x=0 y=0

OpenStudy (gorv):

canu show me the graph ??

OpenStudy (anonymous):

More line chart I should've said. |dw:1413542480260:dw|

OpenStudy (anonymous):

It's asking me to graph for the domain -2< x < (or equal to) 1

OpenStudy (gorv):

yeah just plot these

OpenStudy (gorv):

x=0 y=0

OpenStudy (anonymous):

Is that it?

OpenStudy (gorv):

|dw:1413539138973:dw|

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