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Mathematics 24 Online
OpenStudy (quickstudent):

Is this correct? asymptotes

OpenStudy (quickstudent):

OpenStudy (freckles):

you can find the vertical asymptote of each of those by setting the bottom equal to 0 you can find the horizontal asymptote by looking at the number that is left over from the part that can't be 0 like 3/(x-4) or 3/(x+4) cannot be 0 for any x because the numerator cannot be 0 so the horizontal asymptote for either 3/(x-4) or 3/(x+4) is y=0 you can look at your choices and translate that horizontal asymptote either up two due to +2 or down two due to the -2

HanAkoSolo (jamierox4ev3r):

you could also graph this on a graphing calculator to find your asymptotes :)

HanAkoSolo (jamierox4ev3r):

@quickstudent do you understand what freckles said?

OpenStudy (quickstudent):

well, I didn't get the +2 -2 part.

OpenStudy (quickstudent):

well, I didn't get the +2 -2 part.

OpenStudy (freckles):

\[\frac{3}{x \pm 4} \neq 0\] do you understand that this is true?

OpenStudy (freckles):

\[\frac{3}{x \pm 4} \neq 0 \text{ so horizontal asymptote is } y=0 \\ \text{ what if you subtract 4 on both sides } \\ \frac{3}{x \pm 4 }-4 \neq -4 \text{ so horizontal asymptote is } y=-4 \]

OpenStudy (freckles):

That last is just an example

OpenStudy (freckles):

in general if you have this : \[f(x)=\frac{a}{bx + c}+n \text{ the horizontal asymptote is } y=n \\ \text{ and the vertical asymptote is } x=\frac{-c}{b} \text{ assuming } a, b \neq 0\]

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