ggabby

hi can u help find the domain of f(x)-3x+5

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ggabby

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in set notation

Directrix

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Is f(x)-3x+5 supposed to be f(x)=3x+5 or maybe f(x) =-3x+5?

ggabby

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|dw:1347945537493:dw|

ggabby

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????????

trackzz

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set of real numbers?

ggabby

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ohhh its from neg infinity to positive infinity andd do u know if this service is open 24/7

Directrix

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|dw:1347945805335:dw|
The domain of a function is the set of all admissible values of x.
f(x) = 3x+5.
Looking at the equation, there is no reason to exclude any real number from being a value of x.
So the domain is the set of real numbers.

trackzz

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always open

ggabby

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ohh yayy okk

trackzz

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but if i fall asleep, there are many other ppl who can help, some of them are even geniuses, like the one up there ^.^