What type of discontinuity do rational functions have

Rational functions can have two kinds of discontinuities:

A hole appears when the expression would become undefined, and an asymptote is basically the same thing, but it takes the shape of an imaginary line where function will never cross.

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step-by-step explanation:

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

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