Question
At what points are the functions in Exercises $13-28$ continuous?$$y=\frac{x+1}{x^{2}-4 x+3}$$
Step 1
This happens when the denominator of the function is equal to zero, because division by zero is undefined. So, we set the denominator equal to zero and solve for $x$: $$x^{2}-4x+3=0$$ Show more…
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