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URGENT What is the discontinuity and zero of the function f(x)= (x^2 - 4x - 21)/(x + 7)

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Bunnuikaid

Answer:

when x=-7

Step-by-step explanation:

if u are solving a function like this, u must not have a division by zero so if we put x=-7 in the function we hav a division by zero

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