What is the discontinuity of the function f(x) = x^2 - 3x -28 / x + 4

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asked Nov 22, 2019 68.9k views

2 Answers

Massimo Variolo · Answer 1 · 2019-11-27T05:56:57+0000

A discontinuity occurs when the denominator equals zero

it will be either a hole or an asymptote

x+4 = 0

subtract 4 from each side

x=-4