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Mathematics, 24.08.2019 15:10 4300404440

Find any points of discontinuity for the rational function. what are the points of discontinuity? are they all removable?
y = (x-7)(x-3) / x^2-10x+21
a. x = 1, x = –8, x = –2; yes
b. x = 7, x = 3; yes
c. x = –7, x = –3; no
d. x = –1, x = 8, x = 2; no

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