For what values of x, if any, does #f(x) = 1/((9x-5)sin(pi+(6pi)/x) # have vertical asymptotes?

Answer 1

#x = 5/9#

#x = 6/(2n-1) and 3/n , n in ZZ #

To compute the verticle asymptotes we must consider the values for what the function is undefined at, hence where denominator #=0#

#=> (9x-5)sin(pi + (6pi)/x )= 0 #

#=> 9x - 5 = 0 #

#=> color(red)(x = 5/9) # This is our first asymptote

To find the second....

#=> sin(pi + (6pi)/x ) = 0 #

#sin( pi + (6pi)/x) = sin(0) #

#------------#

Using our knowledge of general solutions...

If #sintheta = sin gamma #

# theta = {2pin + gamma , 2pin + pi - gamma }#

#------------#

#=> pi + (6pi)/x = {2pin , 2pin + pi } #

#=> (6pi)/x = {2pi n -pi , 2pin }#

#=> 1/x = { (2n-1)/6 , n/3 }#

#=> color(red)(x = {6/(2n-1) , 3/n }) #

#n in ZZ #

The graph...

Interesting...

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Answer 2

The function f(x) has vertical asymptotes at values of x where the denominator of the function becomes zero. In this case, the denominator is (9x-5)sin(pi+(6pi)/x). To find the values of x that make the denominator zero, we set it equal to zero and solve for x. However, sin(pi+(6pi)/x) will never be zero for any value of x. Therefore, the function f(x) does not have any vertical asymptotes.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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