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Find domain of f(x)=(4x-1)/(x^2-x-56)
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Find domain of f(x)=(4x-1)/(x^2-x-56)

User Nafiz
by
8.4k points

1 Answer

3 votes

Answer:

x² - x - 56 = 0

(x - 8)(x + 7) = 0

x = -7, 8

So the domain of f(x) is

(-infinity, -7) U (-7, 8) U (8, infinity)

User Kane Cohen
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