Algebra 2
posted by Mr. Sandwich .
Find any points of discontinuity for the rational function.
1. (x + 6)(x + 2)(x + 8)
y = _____________________
(x + 9)(x + 7)
2. x  8
y = _____________________
x^2 + 6x  7

The first function is discontinuous when x = 9 and when x = 7
The second is discontinuous when x = 7 and when x = 1
There are no "points" of discontinuity, the curves approach an asymptote, not points.
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