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06-01-2023
Mathematics

contestada

Find the domain of the rational function.
f(z) = z + 3
z(z − 9)

All real values
All real values of z such that z ≠ 0
All real values of z such that z ≠ 0 and z ≠ 9
All real values of z such that z ≠ 9
All real values of z such that z ≠ 3

Answer:
All real values of z such that z ≠ 0 and z ≠ 9

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