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Mathematics 17 Online
OpenStudy (anonymous):

Which graph represents the function of f(x) = the quantity of 9 x squared minus 36, all over 3 x plus 6?

OpenStudy (anonymous):

please show the graphs that go with this question

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

ok and the function is \[\frac{ 9x^{2}-36 }{ 3x+6 }\] ?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

alright, can you simplify this formula?

OpenStudy (anonymous):

yes it would be \[\frac{ 9(x+2)(x-2) }{ 3(x+2) }\]

OpenStudy (anonymous):

that's correct.

OpenStudy (anonymous):

now, if we just ignore the value x=-2 we can just write it as \(3(x-2)\) right?

OpenStudy (anonymous):

are you still there

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

do you see how i arrived at that last answer?

OpenStudy (anonymous):

yes i do

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