Find all points of discontinuity of the function and state for each whether it is…

MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Find all points of discontinuity of the function

f(x)=\dfrac{x^{2}-9}{x^{2}-4x+3}

and state for each whether it is removable or infinite.