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Mathematics 22 Online
OpenStudy (anonymous):

find the limit of sqrt. of (x^2+9) -5/ x+4 as x approaches 4

OpenStudy (anonymous):

can you put it in nicer form?

OpenStudy (anonymous):

|dw:1378438841654:dw|

OpenStudy (anonymous):

is that approaches -4 or 4?

OpenStudy (anonymous):

-4

OpenStudy (anonymous):

thats kind of tricky because bottom will be zero

OpenStudy (anonymous):

well ya you gotaa change the equation around but idk how to'

OpenStudy (anonymous):

You know how to use L'hospital rule?

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

did You learn about it?

OpenStudy (anonymous):

nope

OpenStudy (anonymous):

then I don't know how to help You, because You have to use L'hospital rule, which is kind of complicated

OpenStudy (anonymous):

it is going to end up being -4/5

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