Answer:
x = 2
Step-by-step explanation:
y = [tex]\frac{-4x+81}{x-2}[/tex]
If the denominator is equal to zero , then y is undefined.
this discontinuity can be found by equating the denominator to zero and solving for x.
x - 2 = 0 ⇒ x = 2 is the point of discontinuity