SOLUTION: I need to find the equation of the vertical asymtopes of the following functions a: g(x)= log(x-3) b: g(x)= -log(x) Thanks

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Question 153088: I need to find the equation of the vertical asymtopes of the following functions
a: g(x)= log(x-3)
b: g(x)= -log(x)

Thanks
Answer by Earlsdon(6103) About Me  (Show Source):
You can put this solution on YOUR website!
Find the equations of the asymptotes of:
a) g%28x%29+=+log%28x-3%29 For what value of x is the function undefined?
g%283%29+=+log%283-3%29=log%280%29 The log%280%29 is undefined, so at x = 3 there is a vertical asymptote at highlight%28x+=+3%29 and this is the equation of the asymptote.
b) g%28x%29+=+-log%28x%29 For what value of x is the function undefined?
g%280%29+=+-log%280%29 The function is undefined at x = 0 so there is a vertical asymptote at highlight%28x+=+0%29 and this is the equation of the asymptote.