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Mathematics 15 Online
OpenStudy (anonymous):

p(x)=x^2-2x+9 find the domain of the function

OpenStudy (anonymous):

what numbers can you enter into the function

OpenStudy (anonymous):

any

OpenStudy (anonymous):

correct. so how would you write that in math language?

OpenStudy (anonymous):

dont know

OpenStudy (anonymous):

it usually takes this form "_<x<_" where that blank spaces indicate how far back and forward you can go into the number line we said that we can go as far back and front as we can right? what number/symbol represents the ends of the number lines?

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