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Find any points of discontinuity

Find any points of discontinuity-example-1
User Ceshion
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The function factors as

... y = (x-7)(x-3)/((x-7)(x-3))

so has points of discontinuity at x=7 and x=3, where the denominator is zero. Otherwise, the value is y=1. By defining y=1 at those points, the discontinuities could be removed. The appropriate choice is ...

... x = 7, x = 3; yes . . . . . . . the 3rd selection

User Sers
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